Home / 892,054.80-1,338,082.20-293,108.40

Finding the Fourth Proportional to 892,054.80, 1,338,082.20 and 293,108.40

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Solution

The fourth proportional to 892,054.80, 1,338,082.20 and 293,108.40 is: 439,662.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,054.80 : 1,338,082.20 = 293,108.40 : x
  2. Step 2: Convert to fraction form
    892,054.80/1,338,082.20 = 293,108.40/x
  3. Step 3: Cross multiply
    892,054.80x = 1,338,082.20 × 293,108.40
  4. Step 4: Simplify right side
    892,054.80x = 392,203,132,710.48
  5. Step 5: Solve for x
    x = 392,203,132,710.48/892,054.80
  6. Step 6: Final answer
    x = 439,662.60

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.