Home / 995,151.10-1,491,842.86-387,798.73

Finding the Fourth Proportional to 995,151.10, 1,491,842.86 and 387,798.73

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Solution

The fourth proportional to 995,151.10, 1,491,842.86 and 387,798.73 is: 581,353.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,151.10 : 1,491,842.86 = 387,798.73 : x
  2. Step 2: Convert to fraction form
    995,151.10/1,491,842.86 = 387,798.73/x
  3. Step 3: Cross multiply
    995,151.10x = 1,491,842.86 × 387,798.73
  4. Step 4: Simplify right side
    995,151.10x = 578,534,766,467.57
  5. Step 5: Solve for x
    x = 578,534,766,467.57/995,151.10
  6. Step 6: Final answer
    x = 581,353.69

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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.