Home / 428,402.35-591,185.19-237,411.64

Finding the Fourth Proportional to 428,402.35, 591,185.19 and 237,411.64

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Solution

The fourth proportional to 428,402.35, 591,185.19 and 237,411.64 is: 327,622.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,402.35 : 591,185.19 = 237,411.64 : x
  2. Step 2: Convert to fraction form
    428,402.35/591,185.19 = 237,411.64/x
  3. Step 3: Cross multiply
    428,402.35x = 591,185.19 × 237,411.64
  4. Step 4: Simplify right side
    428,402.35x = 140,354,246,089.28
  5. Step 5: Solve for x
    x = 140,354,246,089.28/428,402.35
  6. Step 6: Final answer
    x = 327,622.49

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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.