Home / 529,223.20-730,325.04-287,503.84

Finding the Fourth Proportional to 529,223.20, 730,325.04 and 287,503.84

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Solution

The fourth proportional to 529,223.20, 730,325.04 and 287,503.84 is: 396,753.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,223.20 : 730,325.04 = 287,503.84 : x
  2. Step 2: Convert to fraction form
    529,223.20/730,325.04 = 287,503.84/x
  3. Step 3: Cross multiply
    529,223.20x = 730,325.04 × 287,503.84
  4. Step 4: Simplify right side
    529,223.20x = 209,971,253,448.15
  5. Step 5: Solve for x
    x = 209,971,253,448.15/529,223.20
  6. Step 6: Final answer
    x = 396,753.68

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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.