Home / 969,055.80-1,337,283.68-539,335.86

Finding the Fourth Proportional to 969,055.80, 1,337,283.68 and 539,335.86

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Solution

The fourth proportional to 969,055.80, 1,337,283.68 and 539,335.86 is: 744,276.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,055.80 : 1,337,283.68 = 539,335.86 : x
  2. Step 2: Convert to fraction form
    969,055.80/1,337,283.68 = 539,335.86/x
  3. Step 3: Cross multiply
    969,055.80x = 1,337,283.68 × 539,335.86
  4. Step 4: Simplify right side
    969,055.80x = 721,245,040,920.09
  5. Step 5: Solve for x
    x = 721,245,040,920.09/969,055.80
  6. Step 6: Final answer
    x = 744,276.07

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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.