Home / 758,879.28-1,129,860.90-748,282.86

Finding the Fourth Proportional to 758,879.28, 1,129,860.90 and 748,282.86

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Solution

The fourth proportional to 758,879.28, 1,129,860.90 and 748,282.86 is: 1,114,084.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,879.28 : 1,129,860.90 = 748,282.86 : x
  2. Step 2: Convert to fraction form
    758,879.28/1,129,860.90 = 748,282.86/x
  3. Step 3: Cross multiply
    758,879.28x = 1,129,860.90 × 748,282.86
  4. Step 4: Simplify right side
    758,879.28x = 845,455,545,654.17
  5. Step 5: Solve for x
    x = 845,455,545,654.17/758,879.28
  6. Step 6: Final answer
    x = 1,114,084.37

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.