Home / 969,642.36-1,338,145.92-539,895.24

Finding the Fourth Proportional to 969,642.36, 1,338,145.92 and 539,895.24

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Solution

The fourth proportional to 969,642.36, 1,338,145.92 and 539,895.24 is: 745,077.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,642.36 : 1,338,145.92 = 539,895.24 : x
  2. Step 2: Convert to fraction form
    969,642.36/1,338,145.92 = 539,895.24/x
  3. Step 3: Cross multiply
    969,642.36x = 1,338,145.92 × 539,895.24
  4. Step 4: Simplify right side
    969,642.36x = 722,458,612,633.42
  5. Step 5: Solve for x
    x = 722,458,612,633.42/969,642.36
  6. Step 6: Final answer
    x = 745,077.40

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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.