Home / 930,037.92-1,394,702.78-551,065.61

Finding the Fourth Proportional to 930,037.92, 1,394,702.78 and 551,065.61

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Solution

The fourth proportional to 930,037.92, 1,394,702.78 and 551,065.61 is: 826,388.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,037.92 : 1,394,702.78 = 551,065.61 : x
  2. Step 2: Convert to fraction form
    930,037.92/1,394,702.78 = 551,065.61/x
  3. Step 3: Cross multiply
    930,037.92x = 1,394,702.78 × 551,065.61
  4. Step 4: Simplify right side
    930,037.92x = 768,572,728,500.55
  5. Step 5: Solve for x
    x = 768,572,728,500.55/930,037.92
  6. Step 6: Final answer
    x = 826,388.59

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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.