Home / 667,558.10-1,001,336.95-443,356.24

Finding the Fourth Proportional to 667,558.10, 1,001,336.95 and 443,356.24

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Solution

The fourth proportional to 667,558.10, 1,001,336.95 and 443,356.24 is: 665,034.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,558.10 : 1,001,336.95 = 443,356.24 : x
  2. Step 2: Convert to fraction form
    667,558.10/1,001,336.95 = 443,356.24/x
  3. Step 3: Cross multiply
    667,558.10x = 1,001,336.95 × 443,356.24
  4. Step 4: Simplify right side
    667,558.10x = 443,948,985,125.07
  5. Step 5: Solve for x
    x = 443,948,985,125.07/667,558.10
  6. Step 6: Final answer
    x = 665,034.23

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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.