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Finding the Fourth Proportional to 575,314.32, 861,832.32 and 271,292.16

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Solution

The fourth proportional to 575,314.32, 861,832.32 and 271,292.16 is: 406,401.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    575,314.32 : 861,832.32 = 271,292.16 : x
  2. Step 2: Convert to fraction form
    575,314.32/861,832.32 = 271,292.16/x
  3. Step 3: Cross multiply
    575,314.32x = 861,832.32 × 271,292.16
  4. Step 4: Simplify right side
    575,314.32x = 233,808,351,650.61
  5. Step 5: Solve for x
    x = 233,808,351,650.61/575,314.32
  6. Step 6: Final answer
    x = 406,401.06

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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.