Home / 969,643.36-1,338,147.30-539,896.24

Finding the Fourth Proportional to 969,643.36, 1,338,147.30 and 539,896.24

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Solution

The fourth proportional to 969,643.36, 1,338,147.30 and 539,896.24 is: 745,078.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    969,643.36 : 1,338,147.30 = 539,896.24 : x
  2. Step 2: Convert to fraction form
    969,643.36/1,338,147.30 = 539,896.24/x
  3. Step 3: Cross multiply
    969,643.36x = 1,338,147.30 × 539,896.24
  4. Step 4: Simplify right side
    969,643.36x = 722,460,695,836.15
  5. Step 5: Solve for x
    x = 722,460,695,836.15/969,643.36
  6. Step 6: Final answer
    x = 745,078.78

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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.