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Finding the Fourth Proportional to 498,411.01, 747,353.80 and 217,600.21

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Solution

The fourth proportional to 498,411.01, 747,353.80 and 217,600.21 is: 326,285.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    498,411.01 : 747,353.80 = 217,600.21 : x
  2. Step 2: Convert to fraction form
    498,411.01/747,353.80 = 217,600.21/x
  3. Step 3: Cross multiply
    498,411.01x = 747,353.80 × 217,600.21
  4. Step 4: Simplify right side
    498,411.01x = 162,624,343,824.30
  5. Step 5: Solve for x
    x = 162,624,343,824.30/498,411.01
  6. Step 6: Final answer
    x = 326,285.62

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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.