Home / 782,689.65-1,173,757.86-372,310.58

Finding the Fourth Proportional to 782,689.65, 1,173,757.86 and 372,310.58

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Solution

The fourth proportional to 782,689.65, 1,173,757.86 and 372,310.58 is: 558,334.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,689.65 : 1,173,757.86 = 372,310.58 : x
  2. Step 2: Convert to fraction form
    782,689.65/1,173,757.86 = 372,310.58/x
  3. Step 3: Cross multiply
    782,689.65x = 1,173,757.86 × 372,310.58
  4. Step 4: Simplify right side
    782,689.65x = 437,002,463,767.37
  5. Step 5: Solve for x
    x = 437,002,463,767.37/782,689.65
  6. Step 6: Final answer
    x = 558,334.28

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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.