Home / 990,229.53-1,366,549.31-560,500.43

Finding the Fourth Proportional to 990,229.53, 1,366,549.31 and 560,500.43

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Solution

The fourth proportional to 990,229.53, 1,366,549.31 and 560,500.43 is: 773,509.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,229.53 : 1,366,549.31 = 560,500.43 : x
  2. Step 2: Convert to fraction form
    990,229.53/1,366,549.31 = 560,500.43/x
  3. Step 3: Cross multiply
    990,229.53x = 1,366,549.31 × 560,500.43
  4. Step 4: Simplify right side
    990,229.53x = 765,951,473,068.70
  5. Step 5: Solve for x
    x = 765,951,473,068.70/990,229.53
  6. Step 6: Final answer
    x = 773,509.02

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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.