Home / 428,846.49-591,879.02-237,921.39

Finding the Fourth Proportional to 428,846.49, 591,879.02 and 237,921.39

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Solution

The fourth proportional to 428,846.49, 591,879.02 and 237,921.39 is: 328,370.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,846.49 : 591,879.02 = 237,921.39 : x
  2. Step 2: Convert to fraction form
    428,846.49/591,879.02 = 237,921.39/x
  3. Step 3: Cross multiply
    428,846.49x = 591,879.02 × 237,921.39
  4. Step 4: Simplify right side
    428,846.49x = 140,820,677,960.63
  5. Step 5: Solve for x
    x = 140,820,677,960.63/428,846.49
  6. Step 6: Final answer
    x = 328,370.83

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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.