Home / 906,505.96-1,250,891.22-498,600.76

Finding the Fourth Proportional to 906,505.96, 1,250,891.22 and 498,600.76

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Solution

The fourth proportional to 906,505.96, 1,250,891.22 and 498,600.76 is: 688,021.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,505.96 : 1,250,891.22 = 498,600.76 : x
  2. Step 2: Convert to fraction form
    906,505.96/1,250,891.22 = 498,600.76/x
  3. Step 3: Cross multiply
    906,505.96x = 1,250,891.22 × 498,600.76
  4. Step 4: Simplify right side
    906,505.96x = 623,695,312,969.33
  5. Step 5: Solve for x
    x = 623,695,312,969.33/906,505.96
  6. Step 6: Final answer
    x = 688,021.19

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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.