Home / 443,026-663,453.24-400,425.04

Finding the Fourth Proportional to 443,026, 663,453.24 and 400,425.04

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Solution

The fourth proportional to 443,026, 663,453.24 and 400,425.04 is: 599,656.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,026 : 663,453.24 = 400,425.04 : x
  2. Step 2: Convert to fraction form
    443,026/663,453.24 = 400,425.04/x
  3. Step 3: Cross multiply
    443,026x = 663,453.24 × 400,425.04
  4. Step 4: Simplify right side
    443,026x = 265,663,290,165.13
  5. Step 5: Solve for x
    x = 265,663,290,165.13/443,026
  6. Step 6: Final answer
    x = 599,656.21

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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.