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Finding the Fourth Proportional to 477,677.12, 714,748.32 and 288,247.04

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Solution

The fourth proportional to 477,677.12, 714,748.32 and 288,247.04 is: 431,304.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,677.12 : 714,748.32 = 288,247.04 : x
  2. Step 2: Convert to fraction form
    477,677.12/714,748.32 = 288,247.04/x
  3. Step 3: Cross multiply
    477,677.12x = 714,748.32 × 288,247.04
  4. Step 4: Simplify right side
    477,677.12x = 206,024,087,584.97
  5. Step 5: Solve for x
    x = 206,024,087,584.97/477,677.12
  6. Step 6: Final answer
    x = 431,304.07

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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.