Home / 428,355.04-591,133.47-237,371.62

Finding the Fourth Proportional to 428,355.04, 591,133.47 and 237,371.62

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Solution

The fourth proportional to 428,355.04, 591,133.47 and 237,371.62 is: 327,574.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,355.04 : 591,133.47 = 237,371.62 : x
  2. Step 2: Convert to fraction form
    428,355.04/591,133.47 = 237,371.62/x
  3. Step 3: Cross multiply
    428,355.04x = 591,133.47 × 237,371.62
  4. Step 4: Simplify right side
    428,355.04x = 140,318,309,410.12
  5. Step 5: Solve for x
    x = 140,318,309,410.12/428,355.04
  6. Step 6: Final answer
    x = 327,574.78

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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.