Home / 428,493.65-591,339.89-237,507.19

Finding the Fourth Proportional to 428,493.65, 591,339.89 and 237,507.19

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Solution

The fourth proportional to 428,493.65, 591,339.89 and 237,507.19 is: 327,770.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,493.65 : 591,339.89 = 237,507.19 : x
  2. Step 2: Convert to fraction form
    428,493.65/591,339.89 = 237,507.19/x
  3. Step 3: Cross multiply
    428,493.65x = 591,339.89 × 237,507.19
  4. Step 4: Simplify right side
    428,493.65x = 140,447,474,724.23
  5. Step 5: Solve for x
    x = 140,447,474,724.23/428,493.65
  6. Step 6: Final answer
    x = 327,770.26

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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.