Home / 428,426.30-591,228.35-237,452.02

Finding the Fourth Proportional to 428,426.30, 591,228.35 and 237,452.02

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Solution

The fourth proportional to 428,426.30, 591,228.35 and 237,452.02 is: 327,683.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,426.30 : 591,228.35 = 237,452.02 : x
  2. Step 2: Convert to fraction form
    428,426.30/591,228.35 = 237,452.02/x
  3. Step 3: Cross multiply
    428,426.30x = 591,228.35 × 237,452.02
  4. Step 4: Simplify right side
    428,426.30x = 140,388,365,988.77
  5. Step 5: Solve for x
    x = 140,388,365,988.77/428,426.30
  6. Step 6: Final answer
    x = 327,683.82

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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.