Home / 969,079.12-1,337,315.80-539,359.40

Finding the Fourth Proportional to 969,079.12, 1,337,315.80 and 539,359.40

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Solution

The fourth proportional to 969,079.12, 1,337,315.80 and 539,359.40 is: 744,308.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,079.12 : 1,337,315.80 = 539,359.40 : x
  2. Step 2: Convert to fraction form
    969,079.12/1,337,315.80 = 539,359.40/x
  3. Step 3: Cross multiply
    969,079.12x = 1,337,315.80 × 539,359.40
  4. Step 4: Simplify right side
    969,079.12x = 721,293,847,498.52
  5. Step 5: Solve for x
    x = 721,293,847,498.52/969,079.12
  6. Step 6: Final answer
    x = 744,308.52

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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.