Home / 747,796.34-1,119,906.30-431,293.70

Finding the Fourth Proportional to 747,796.34, 1,119,906.30 and 431,293.70

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Solution

The fourth proportional to 747,796.34, 1,119,906.30 and 431,293.70 is: 645,909.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,796.34 : 1,119,906.30 = 431,293.70 : x
  2. Step 2: Convert to fraction form
    747,796.34/1,119,906.30 = 431,293.70/x
  3. Step 3: Cross multiply
    747,796.34x = 1,119,906.30 × 431,293.70
  4. Step 4: Simplify right side
    747,796.34x = 483,008,531,780.31
  5. Step 5: Solve for x
    x = 483,008,531,780.31/747,796.34
  6. Step 6: Final answer
    x = 645,909.19

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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.