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Finding the Fourth Proportional to 534,020.16, 737,132.16 and 307,755.84

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Solution

The fourth proportional to 534,020.16, 737,132.16 and 307,755.84 is: 424,809.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,020.16 : 737,132.16 = 307,755.84 : x
  2. Step 2: Convert to fraction form
    534,020.16/737,132.16 = 307,755.84/x
  3. Step 3: Cross multiply
    534,020.16x = 737,132.16 × 307,755.84
  4. Step 4: Simplify right side
    534,020.16x = 226,856,727,091.81
  5. Step 5: Solve for x
    x = 226,856,727,091.81/534,020.16
  6. Step 6: Final answer
    x = 424,809.29

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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.