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Finding the Fourth Proportional to 522,479.61, 782,212.82 and 468,455.85

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Solution

The fourth proportional to 522,479.61, 782,212.82 and 468,455.85 is: 701,332.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,479.61 : 782,212.82 = 468,455.85 : x
  2. Step 2: Convert to fraction form
    522,479.61/782,212.82 = 468,455.85/x
  3. Step 3: Cross multiply
    522,479.61x = 782,212.82 × 468,455.85
  4. Step 4: Simplify right side
    522,479.61x = 366,432,169,131.72
  5. Step 5: Solve for x
    x = 366,432,169,131.72/522,479.61
  6. Step 6: Final answer
    x = 701,332.96

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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.