Home / 756,104.40-1,132,844.40-638,006.40

Finding the Fourth Proportional to 756,104.40, 1,132,844.40 and 638,006.40

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Solution

The fourth proportional to 756,104.40, 1,132,844.40 and 638,006.40 is: 955,902.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,104.40 : 1,132,844.40 = 638,006.40 : x
  2. Step 2: Convert to fraction form
    756,104.40/1,132,844.40 = 638,006.40/x
  3. Step 3: Cross multiply
    756,104.40x = 1,132,844.40 × 638,006.40
  4. Step 4: Simplify right side
    756,104.40x = 722,761,977,404.16
  5. Step 5: Solve for x
    x = 722,761,977,404.16/756,104.40
  6. Step 6: Final answer
    x = 955,902.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.