Home / 428,378.24-591,155.04-237,391.04

Finding the Fourth Proportional to 428,378.24, 591,155.04 and 237,391.04

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Solution

The fourth proportional to 428,378.24, 591,155.04 and 237,391.04 is: 327,595.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,378.24 : 591,155.04 = 237,391.04 : x
  2. Step 2: Convert to fraction form
    428,378.24/591,155.04 = 237,391.04/x
  3. Step 3: Cross multiply
    428,378.24x = 591,155.04 × 237,391.04
  4. Step 4: Simplify right side
    428,378.24x = 140,334,909,746.84
  5. Step 5: Solve for x
    x = 140,334,909,746.84/428,378.24
  6. Step 6: Final answer
    x = 327,595.79

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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.