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Finding the Fourth Proportional to 724,400.16, 1,000,352.94 and 466,729.44

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Solution

The fourth proportional to 724,400.16, 1,000,352.94 and 466,729.44 is: 644,525.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,400.16 : 1,000,352.94 = 466,729.44 : x
  2. Step 2: Convert to fraction form
    724,400.16/1,000,352.94 = 466,729.44/x
  3. Step 3: Cross multiply
    724,400.16x = 1,000,352.94 × 466,729.44
  4. Step 4: Simplify right side
    724,400.16x = 466,894,167,488.55
  5. Step 5: Solve for x
    x = 466,894,167,488.55/724,400.16
  6. Step 6: Final answer
    x = 644,525.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.