Home / 741,548.48-1,022,793.36-486,806.72

Finding the Fourth Proportional to 741,548.48, 1,022,793.36 and 486,806.72

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Solution

The fourth proportional to 741,548.48, 1,022,793.36 and 486,806.72 is: 671,436.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,548.48 : 1,022,793.36 = 486,806.72 : x
  2. Step 2: Convert to fraction form
    741,548.48/1,022,793.36 = 486,806.72/x
  3. Step 3: Cross multiply
    741,548.48x = 1,022,793.36 × 486,806.72
  4. Step 4: Simplify right side
    741,548.48x = 497,902,680,819.38
  5. Step 5: Solve for x
    x = 497,902,680,819.38/741,548.48
  6. Step 6: Final answer
    x = 671,436.45

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Half scale
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Double scale
Find fourth proportional to 741,549.48, 1,022,794.74 and 486,807.72
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.