Home / 990,248.22-1,366,575.03-560,519.19

Finding the Fourth Proportional to 990,248.22, 1,366,575.03 and 560,519.19

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Solution

The fourth proportional to 990,248.22, 1,366,575.03 and 560,519.19 is: 773,534.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,248.22 : 1,366,575.03 = 560,519.19 : x
  2. Step 2: Convert to fraction form
    990,248.22/1,366,575.03 = 560,519.19/x
  3. Step 3: Cross multiply
    990,248.22x = 1,366,575.03 × 560,519.19
  4. Step 4: Simplify right side
    990,248.22x = 765,991,528,889.83
  5. Step 5: Solve for x
    x = 765,991,528,889.83/990,248.22
  6. Step 6: Final answer
    x = 773,534.87

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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.