Home / 990,077.94-1,366,073.38-560,358.06

Finding the Fourth Proportional to 990,077.94, 1,366,073.38 and 560,358.06

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Solution

The fourth proportional to 990,077.94, 1,366,073.38 and 560,358.06 is: 773,161.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,077.94 : 1,366,073.38 = 560,358.06 : x
  2. Step 2: Convert to fraction form
    990,077.94/1,366,073.38 = 560,358.06/x
  3. Step 3: Cross multiply
    990,077.94x = 1,366,073.38 × 560,358.06
  4. Step 4: Simplify right side
    990,077.94x = 765,490,229,034.44
  5. Step 5: Solve for x
    x = 765,490,229,034.44/990,077.94
  6. Step 6: Final answer
    x = 773,161.58

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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.