Home / 428,767.20-591,669.36-237,762.72

Finding the Fourth Proportional to 428,767.20, 591,669.36 and 237,762.72

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Solution

The fourth proportional to 428,767.20, 591,669.36 and 237,762.72 is: 328,096.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,767.20 : 591,669.36 = 237,762.72 : x
  2. Step 2: Convert to fraction form
    428,767.20/591,669.36 = 237,762.72/x
  3. Step 3: Cross multiply
    428,767.20x = 591,669.36 × 237,762.72
  4. Step 4: Simplify right side
    428,767.20x = 140,676,916,374.26
  5. Step 5: Solve for x
    x = 140,676,916,374.26/428,767.20
  6. Step 6: Final answer
    x = 328,096.26

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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.