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Finding the Fourth Proportional to 532,762.57, 735,200.32 and 291,046.22

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Solution

The fourth proportional to 532,762.57, 735,200.32 and 291,046.22 is: 401,637.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,762.57 : 735,200.32 = 291,046.22 : x
  2. Step 2: Convert to fraction form
    532,762.57/735,200.32 = 291,046.22/x
  3. Step 3: Cross multiply
    532,762.57x = 735,200.32 × 291,046.22
  4. Step 4: Simplify right side
    532,762.57x = 213,977,274,078.79
  5. Step 5: Solve for x
    x = 213,977,274,078.79/532,762.57
  6. Step 6: Final answer
    x = 401,637.21

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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.