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Finding the Fourth Proportional to 777,337.88, 1,163,373.16 and 478,008.04

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Solution

The fourth proportional to 777,337.88, 1,163,373.16 and 478,008.04 is: 715,392.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,337.88 : 1,163,373.16 = 478,008.04 : x
  2. Step 2: Convert to fraction form
    777,337.88/1,163,373.16 = 478,008.04/x
  3. Step 3: Cross multiply
    777,337.88x = 1,163,373.16 × 478,008.04
  4. Step 4: Simplify right side
    777,337.88x = 556,101,724,000.21
  5. Step 5: Solve for x
    x = 556,101,724,000.21/777,337.88
  6. Step 6: Final answer
    x = 715,392.54

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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.