Home / 515,822.10-773,733.15-488,265.90

Finding the Fourth Proportional to 515,822.10, 773,733.15 and 488,265.90

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Solution

The fourth proportional to 515,822.10, 773,733.15 and 488,265.90 is: 732,398.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,822.10 : 773,733.15 = 488,265.90 : x
  2. Step 2: Convert to fraction form
    515,822.10/773,733.15 = 488,265.90/x
  3. Step 3: Cross multiply
    515,822.10x = 773,733.15 × 488,265.90
  4. Step 4: Simplify right side
    515,822.10x = 377,787,512,844.59
  5. Step 5: Solve for x
    x = 377,787,512,844.59/515,822.10
  6. Step 6: Final answer
    x = 732,398.85

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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.