Home / 428,519.12-591,361.32-237,535.76

Finding the Fourth Proportional to 428,519.12, 591,361.32 and 237,535.76

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Solution

The fourth proportional to 428,519.12, 591,361.32 and 237,535.76 is: 327,802.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,519.12 : 591,361.32 = 237,535.76 : x
  2. Step 2: Convert to fraction form
    428,519.12/591,361.32 = 237,535.76/x
  3. Step 3: Cross multiply
    428,519.12x = 591,361.32 × 237,535.76
  4. Step 4: Simplify right side
    428,519.12x = 140,469,460,580.80
  5. Step 5: Solve for x
    x = 140,469,460,580.80/428,519.12
  6. Step 6: Final answer
    x = 327,802.08

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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.