Home / 428,401.88-591,184.54-237,411.17

Finding the Fourth Proportional to 428,401.88, 591,184.54 and 237,411.17

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Solution

The fourth proportional to 428,401.88, 591,184.54 and 237,411.17 is: 327,621.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,401.88 : 591,184.54 = 237,411.17 : x
  2. Step 2: Convert to fraction form
    428,401.88/591,184.54 = 237,411.17/x
  3. Step 3: Cross multiply
    428,401.88x = 591,184.54 × 237,411.17
  4. Step 4: Simplify right side
    428,401.88x = 140,353,815,247.49
  5. Step 5: Solve for x
    x = 140,353,815,247.49/428,401.88
  6. Step 6: Final answer
    x = 327,621.84

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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.