Home / 549,839.97-758,779.79-308,125.85

Finding the Fourth Proportional to 549,839.97, 758,779.79 and 308,125.85

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Solution

The fourth proportional to 549,839.97, 758,779.79 and 308,125.85 is: 425,214.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,839.97 : 758,779.79 = 308,125.85 : x
  2. Step 2: Convert to fraction form
    549,839.97/758,779.79 = 308,125.85/x
  3. Step 3: Cross multiply
    549,839.97x = 758,779.79 × 308,125.85
  4. Step 4: Simplify right side
    549,839.97x = 233,799,662,422.04
  5. Step 5: Solve for x
    x = 233,799,662,422.04/549,839.97
  6. Step 6: Final answer
    x = 425,214.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.