Home / 990,493.92-1,366,806.96-560,675.52

Finding the Fourth Proportional to 990,493.92, 1,366,806.96 and 560,675.52

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Solution

The fourth proportional to 990,493.92, 1,366,806.96 and 560,675.52 is: 773,689.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,493.92 : 1,366,806.96 = 560,675.52 : x
  2. Step 2: Convert to fraction form
    990,493.92/1,366,806.96 = 560,675.52/x
  3. Step 3: Cross multiply
    990,493.92x = 1,366,806.96 × 560,675.52
  4. Step 4: Simplify right side
    990,493.92x = 766,335,203,037.62
  5. Step 5: Solve for x
    x = 766,335,203,037.62/990,493.92
  6. Step 6: Final answer
    x = 773,689.96

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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.