Home / 815,757.90-1,224,415.17-500,829.90

Finding the Fourth Proportional to 815,757.90, 1,224,415.17 and 500,829.90

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Solution

The fourth proportional to 815,757.90, 1,224,415.17 and 500,829.90 is: 751,722.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,757.90 : 1,224,415.17 = 500,829.90 : x
  2. Step 2: Convert to fraction form
    815,757.90/1,224,415.17 = 500,829.90/x
  3. Step 3: Cross multiply
    815,757.90x = 1,224,415.17 × 500,829.90
  4. Step 4: Simplify right side
    815,757.90x = 613,223,727,149.58
  5. Step 5: Solve for x
    x = 613,223,727,149.58/815,757.90
  6. Step 6: Final answer
    x = 751,722.70

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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.