Home / 906,306.18-1,250,734.62-498,439.59

Finding the Fourth Proportional to 906,306.18, 1,250,734.62 and 498,439.59

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Solution

The fourth proportional to 906,306.18, 1,250,734.62 and 498,439.59 is: 687,864.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,306.18 : 1,250,734.62 = 498,439.59 : x
  2. Step 2: Convert to fraction form
    906,306.18/1,250,734.62 = 498,439.59/x
  3. Step 3: Cross multiply
    906,306.18x = 1,250,734.62 × 498,439.59
  4. Step 4: Simplify right side
    906,306.18x = 623,415,642,445.74
  5. Step 5: Solve for x
    x = 623,415,642,445.74/906,306.18
  6. Step 6: Final answer
    x = 687,864.28

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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.