Home / 428,426.44-591,228.52-237,452.13

Finding the Fourth Proportional to 428,426.44, 591,228.52 and 237,452.13

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Solution

The fourth proportional to 428,426.44, 591,228.52 and 237,452.13 is: 327,683.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,426.44 : 591,228.52 = 237,452.13 : x
  2. Step 2: Convert to fraction form
    428,426.44/591,228.52 = 237,452.13/x
  3. Step 3: Cross multiply
    428,426.44x = 591,228.52 × 237,452.13
  4. Step 4: Simplify right side
    428,426.44x = 140,388,470,797.12
  5. Step 5: Solve for x
    x = 140,388,470,797.12/428,426.44
  6. Step 6: Final answer
    x = 327,683.96

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1.5x scale

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.