Home / 698,747.52-964,306.25-426,771.39

Finding the Fourth Proportional to 698,747.52, 964,306.25 and 426,771.39

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Solution

The fourth proportional to 698,747.52, 964,306.25 and 426,771.39 is: 588,965.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,747.52 : 964,306.25 = 426,771.39 : x
  2. Step 2: Convert to fraction form
    698,747.52/964,306.25 = 426,771.39/x
  3. Step 3: Cross multiply
    698,747.52x = 964,306.25 × 426,771.39
  4. Step 4: Simplify right side
    698,747.52x = 411,538,318,698.19
  5. Step 5: Solve for x
    x = 411,538,318,698.19/698,747.52
  6. Step 6: Final answer
    x = 588,965.69

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Double scale
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1.5x scale

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.