Home / 428,785.02-591,703.02-237,794.28

Finding the Fourth Proportional to 428,785.02, 591,703.02 and 237,794.28

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Solution

The fourth proportional to 428,785.02, 591,703.02 and 237,794.28 is: 328,144.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,785.02 : 591,703.02 = 237,794.28 : x
  2. Step 2: Convert to fraction form
    428,785.02/591,703.02 = 237,794.28/x
  3. Step 3: Cross multiply
    428,785.02x = 591,703.02 × 237,794.28
  4. Step 4: Simplify right side
    428,785.02x = 140,703,593,614.73
  5. Step 5: Solve for x
    x = 140,703,593,614.73/428,785.02
  6. Step 6: Final answer
    x = 328,144.84

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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.