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Finding the Fourth Proportional to 488,288.40, 732,432.60 and 310,922.70

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Solution

The fourth proportional to 488,288.40, 732,432.60 and 310,922.70 is: 466,384.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,288.40 : 732,432.60 = 310,922.70 : x
  2. Step 2: Convert to fraction form
    488,288.40/732,432.60 = 310,922.70/x
  3. Step 3: Cross multiply
    488,288.40x = 732,432.60 × 310,922.70
  4. Step 4: Simplify right side
    488,288.40x = 227,729,921,560.02
  5. Step 5: Solve for x
    x = 227,729,921,560.02/488,288.40
  6. Step 6: Final answer
    x = 466,384.05

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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.