Home / 906,339.89-1,250,724.06-498,441.74

Finding the Fourth Proportional to 906,339.89, 1,250,724.06 and 498,441.74

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Solution

The fourth proportional to 906,339.89, 1,250,724.06 and 498,441.74 is: 687,835.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,339.89 : 1,250,724.06 = 498,441.74 : x
  2. Step 2: Convert to fraction form
    906,339.89/1,250,724.06 = 498,441.74/x
  3. Step 3: Cross multiply
    906,339.89x = 1,250,724.06 × 498,441.74
  4. Step 4: Simplify right side
    906,339.89x = 623,413,070,472.64
  5. Step 5: Solve for x
    x = 623,413,070,472.64/906,339.89
  6. Step 6: Final answer
    x = 687,835.85

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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.