Home / 906,306.39-1,250,677.89-498,408.24

Finding the Fourth Proportional to 906,306.39, 1,250,677.89 and 498,408.24

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Solution

The fourth proportional to 906,306.39, 1,250,677.89 and 498,408.24 is: 687,789.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,306.39 : 1,250,677.89 = 498,408.24 : x
  2. Step 2: Convert to fraction form
    906,306.39/1,250,677.89 = 498,408.24/x
  3. Step 3: Cross multiply
    906,306.39x = 1,250,677.89 × 498,408.24
  4. Step 4: Simplify right side
    906,306.39x = 623,348,165,961.81
  5. Step 5: Solve for x
    x = 623,348,165,961.81/906,306.39
  6. Step 6: Final answer
    x = 687,789.66

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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.