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Finding the Fourth Proportional to 499,927.80, 747,704.70 and 447,002.40

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Solution

The fourth proportional to 499,927.80, 747,704.70 and 447,002.40 is: 668,548.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,927.80 : 747,704.70 = 447,002.40 : x
  2. Step 2: Convert to fraction form
    499,927.80/747,704.70 = 447,002.40/x
  3. Step 3: Cross multiply
    499,927.80x = 747,704.70 × 447,002.40
  4. Step 4: Simplify right side
    499,927.80x = 334,225,795,391.28
  5. Step 5: Solve for x
    x = 334,225,795,391.28/499,927.80
  6. Step 6: Final answer
    x = 668,548.13

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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.