Home / 906,538.46-1,250,996.96-498,640.29

Finding the Fourth Proportional to 906,538.46, 1,250,996.96 and 498,640.29

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Solution

The fourth proportional to 906,538.46, 1,250,996.96 and 498,640.29 is: 688,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,538.46 : 1,250,996.96 = 498,640.29 : x
  2. Step 2: Convert to fraction form
    906,538.46/1,250,996.96 = 498,640.29/x
  3. Step 3: Cross multiply
    906,538.46x = 1,250,996.96 × 498,640.29
  4. Step 4: Simplify right side
    906,538.46x = 623,797,485,951.67
  5. Step 5: Solve for x
    x = 623,797,485,951.67/906,538.46
  6. Step 6: Final answer
    x = 688,109.24

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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.