Home / 428,314.94-591,065.79-237,326.66

Finding the Fourth Proportional to 428,314.94, 591,065.79 and 237,326.66

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Solution

The fourth proportional to 428,314.94, 591,065.79 and 237,326.66 is: 327,505.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,314.94 : 591,065.79 = 237,326.66 : x
  2. Step 2: Convert to fraction form
    428,314.94/591,065.79 = 237,326.66/x
  3. Step 3: Cross multiply
    428,314.94x = 591,065.79 × 237,326.66
  4. Step 4: Simplify right side
    428,314.94x = 140,275,666,825.63
  5. Step 5: Solve for x
    x = 140,275,666,825.63/428,314.94
  6. Step 6: Final answer
    x = 327,505.90

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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.