Home / 428,623.44-591,499.28-237,631.92

Finding the Fourth Proportional to 428,623.44, 591,499.28 and 237,631.92

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Solution

The fourth proportional to 428,623.44, 591,499.28 and 237,631.92 is: 327,931.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,623.44 : 591,499.28 = 237,631.92 : x
  2. Step 2: Convert to fraction form
    428,623.44/591,499.28 = 237,631.92/x
  3. Step 3: Cross multiply
    428,623.44x = 591,499.28 × 237,631.92
  4. Step 4: Simplify right side
    428,623.44x = 140,559,109,585.02
  5. Step 5: Solve for x
    x = 140,559,109,585.02/428,623.44
  6. Step 6: Final answer
    x = 327,931.46

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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.