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Finding the Fourth Proportional to 581,479.80, 874,163.70 and 504,497.40

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Solution

The fourth proportional to 581,479.80, 874,163.70 and 504,497.40 is: 758,432.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,479.80 : 874,163.70 = 504,497.40 : x
  2. Step 2: Convert to fraction form
    581,479.80/874,163.70 = 504,497.40/x
  3. Step 3: Cross multiply
    581,479.80x = 874,163.70 × 504,497.40
  4. Step 4: Simplify right side
    581,479.80x = 441,013,313,824.38
  5. Step 5: Solve for x
    x = 441,013,313,824.38/581,479.80
  6. Step 6: Final answer
    x = 758,432.73

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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.