Home / 428,440.46-591,246.59-237,453.84

Finding the Fourth Proportional to 428,440.46, 591,246.59 and 237,453.84

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Solution

The fourth proportional to 428,440.46, 591,246.59 and 237,453.84 is: 327,685.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,440.46 : 591,246.59 = 237,453.84 : x
  2. Step 2: Convert to fraction form
    428,440.46/591,246.59 = 237,453.84/x
  3. Step 3: Cross multiply
    428,440.46x = 591,246.59 × 237,453.84
  4. Step 4: Simplify right side
    428,440.46x = 140,393,771,995.14
  5. Step 5: Solve for x
    x = 140,393,771,995.14/428,440.46
  6. Step 6: Final answer
    x = 327,685.61

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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.