Home / 758,780.80-1,138,228.80-226,260.16

Finding the Fourth Proportional to 758,780.80, 1,138,228.80 and 226,260.16

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Solution

The fourth proportional to 758,780.80, 1,138,228.80 and 226,260.16 is: 339,407.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,780.80 : 1,138,228.80 = 226,260.16 : x
  2. Step 2: Convert to fraction form
    758,780.80/1,138,228.80 = 226,260.16/x
  3. Step 3: Cross multiply
    758,780.80x = 1,138,228.80 × 226,260.16
  4. Step 4: Simplify right side
    758,780.80x = 257,535,830,404.61
  5. Step 5: Solve for x
    x = 257,535,830,404.61/758,780.80
  6. Step 6: Final answer
    x = 339,407.42

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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.