Home / 428,731.65-591,610.91-237,744.45

Finding the Fourth Proportional to 428,731.65, 591,610.91 and 237,744.45

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Solution

The fourth proportional to 428,731.65, 591,610.91 and 237,744.45 is: 328,065.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,731.65 : 591,610.91 = 237,744.45 : x
  2. Step 2: Convert to fraction form
    428,731.65/591,610.91 = 237,744.45/x
  3. Step 3: Cross multiply
    428,731.65x = 591,610.91 × 237,744.45
  4. Step 4: Simplify right side
    428,731.65x = 140,652,209,223.23
  5. Step 5: Solve for x
    x = 140,652,209,223.23/428,731.65
  6. Step 6: Final answer
    x = 328,065.84

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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.