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Finding the Fourth Proportional to 480,573.24, 724,103.88 and 398,167.08

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Solution

The fourth proportional to 480,573.24, 724,103.88 and 398,167.08 is: 599,938.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,573.24 : 724,103.88 = 398,167.08 : x
  2. Step 2: Convert to fraction form
    480,573.24/724,103.88 = 398,167.08/x
  3. Step 3: Cross multiply
    480,573.24x = 724,103.88 × 398,167.08
  4. Step 4: Simplify right side
    480,573.24x = 288,314,327,516.27
  5. Step 5: Solve for x
    x = 288,314,327,516.27/480,573.24
  6. Step 6: Final answer
    x = 599,938.37

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.