Home / 670,279.49-1,005,102.47-243,517.73

Finding the Fourth Proportional to 670,279.49, 1,005,102.47 and 243,517.73

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Solution

The fourth proportional to 670,279.49, 1,005,102.47 and 243,517.73 is: 365,161.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,279.49 : 1,005,102.47 = 243,517.73 : x
  2. Step 2: Convert to fraction form
    670,279.49/1,005,102.47 = 243,517.73/x
  3. Step 3: Cross multiply
    670,279.49x = 1,005,102.47 × 243,517.73
  4. Step 4: Simplify right side
    670,279.49x = 244,760,267,495.08
  5. Step 5: Solve for x
    x = 244,760,267,495.08/670,279.49
  6. Step 6: Final answer
    x = 365,161.51

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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.