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Finding the Fourth Proportional to 598,980.80, 898,471.20 and 508,779.20

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Solution

The fourth proportional to 598,980.80, 898,471.20 and 508,779.20 is: 763,168.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    598,980.80 : 898,471.20 = 508,779.20 : x
  2. Step 2: Convert to fraction form
    598,980.80/898,471.20 = 508,779.20/x
  3. Step 3: Cross multiply
    598,980.80x = 898,471.20 × 508,779.20
  4. Step 4: Simplify right side
    598,980.80x = 457,123,458,359.04
  5. Step 5: Solve for x
    x = 457,123,458,359.04/598,980.80
  6. Step 6: Final answer
    x = 763,168.80

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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.