Home / 428,718.42-591,622.38-237,727.71

Finding the Fourth Proportional to 428,718.42, 591,622.38 and 237,727.71

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Solution

The fourth proportional to 428,718.42, 591,622.38 and 237,727.71 is: 328,059.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,718.42 : 591,622.38 = 237,727.71 : x
  2. Step 2: Convert to fraction form
    428,718.42/591,622.38 = 237,727.71/x
  3. Step 3: Cross multiply
    428,718.42x = 591,622.38 × 237,727.71
  4. Step 4: Simplify right side
    428,718.42x = 140,645,033,582.15
  5. Step 5: Solve for x
    x = 140,645,033,582.15/428,718.42
  6. Step 6: Final answer
    x = 328,059.23

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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.