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Finding the Fourth Proportional to 502,400.90, 753,601.35 and 498,901.70

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Solution

The fourth proportional to 502,400.90, 753,601.35 and 498,901.70 is: 748,352.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,400.90 : 753,601.35 = 498,901.70 : x
  2. Step 2: Convert to fraction form
    502,400.90/753,601.35 = 498,901.70/x
  3. Step 3: Cross multiply
    502,400.90x = 753,601.35 × 498,901.70
  4. Step 4: Simplify right side
    502,400.90x = 375,972,994,637.30
  5. Step 5: Solve for x
    x = 375,972,994,637.30/502,400.90
  6. Step 6: Final answer
    x = 748,352.55

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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.