Home / 990,067.71-1,366,059.27-560,347.85

Finding the Fourth Proportional to 990,067.71, 1,366,059.27 and 560,347.85

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Solution

The fourth proportional to 990,067.71, 1,366,059.27 and 560,347.85 is: 773,147.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,067.71 : 1,366,059.27 = 560,347.85 : x
  2. Step 2: Convert to fraction form
    990,067.71/1,366,059.27 = 560,347.85/x
  3. Step 3: Cross multiply
    990,067.71x = 1,366,059.27 × 560,347.85
  4. Step 4: Simplify right side
    990,067.71x = 765,468,374,917.07
  5. Step 5: Solve for x
    x = 765,468,374,917.07/990,067.71
  6. Step 6: Final answer
    x = 773,147.50

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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.