Home / 810,741.59-1,118,788.52-443,211.74

Finding the Fourth Proportional to 810,741.59, 1,118,788.52 and 443,211.74

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Solution

The fourth proportional to 810,741.59, 1,118,788.52 and 443,211.74 is: 611,613.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,741.59 : 1,118,788.52 = 443,211.74 : x
  2. Step 2: Convert to fraction form
    810,741.59/1,118,788.52 = 443,211.74/x
  3. Step 3: Cross multiply
    810,741.59x = 1,118,788.52 × 443,211.74
  4. Step 4: Simplify right side
    810,741.59x = 495,860,201,759.97
  5. Step 5: Solve for x
    x = 495,860,201,759.97/810,741.59
  6. Step 6: Final answer
    x = 611,613.13

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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.