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Finding the Fourth Proportional to 888,630.84, 1,226,280.04 and 506,780.52

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Solution

The fourth proportional to 888,630.84, 1,226,280.04 and 506,780.52 is: 699,339.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,630.84 : 1,226,280.04 = 506,780.52 : x
  2. Step 2: Convert to fraction form
    888,630.84/1,226,280.04 = 506,780.52/x
  3. Step 3: Cross multiply
    888,630.84x = 1,226,280.04 × 506,780.52
  4. Step 4: Simplify right side
    888,630.84x = 621,454,836,336.82
  5. Step 5: Solve for x
    x = 621,454,836,336.82/888,630.84
  6. Step 6: Final answer
    x = 699,339.71

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.