Home / 428,635.14-591,549.93-237,685.74

Finding the Fourth Proportional to 428,635.14, 591,549.93 and 237,685.74

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Solution

The fourth proportional to 428,635.14, 591,549.93 and 237,685.74 is: 328,024.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,635.14 : 591,549.93 = 237,685.74 : x
  2. Step 2: Convert to fraction form
    428,635.14/591,549.93 = 237,685.74/x
  3. Step 3: Cross multiply
    428,635.14x = 591,549.93 × 237,685.74
  4. Step 4: Simplify right side
    428,635.14x = 140,602,982,859.00
  5. Step 5: Solve for x
    x = 140,602,982,859.00/428,635.14
  6. Step 6: Final answer
    x = 328,024.86

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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.