Home / 814,044.59-1,219,719.04-281,269.52

Finding the Fourth Proportional to 814,044.59, 1,219,719.04 and 281,269.52

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Solution

The fourth proportional to 814,044.59, 1,219,719.04 and 281,269.52 is: 421,438.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,044.59 : 1,219,719.04 = 281,269.52 : x
  2. Step 2: Convert to fraction form
    814,044.59/1,219,719.04 = 281,269.52/x
  3. Step 3: Cross multiply
    814,044.59x = 1,219,719.04 × 281,269.52
  4. Step 4: Simplify right side
    814,044.59x = 343,069,788,915.66
  5. Step 5: Solve for x
    x = 343,069,788,915.66/814,044.59
  6. Step 6: Final answer
    x = 421,438.57

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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.