Home / 438,440.10-657,660.15-367,581.30

Finding the Fourth Proportional to 438,440.10, 657,660.15 and 367,581.30

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Solution

The fourth proportional to 438,440.10, 657,660.15 and 367,581.30 is: 551,371.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,440.10 : 657,660.15 = 367,581.30 : x
  2. Step 2: Convert to fraction form
    438,440.10/657,660.15 = 367,581.30/x
  3. Step 3: Cross multiply
    438,440.10x = 657,660.15 × 367,581.30
  4. Step 4: Simplify right side
    438,440.10x = 241,743,572,895.20
  5. Step 5: Solve for x
    x = 241,743,572,895.20/438,440.10
  6. Step 6: Final answer
    x = 551,371.95

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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.