Home / 428,776.08-591,696.09-237,807.24

Finding the Fourth Proportional to 428,776.08, 591,696.09 and 237,807.24

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Solution

The fourth proportional to 428,776.08, 591,696.09 and 237,807.24 is: 328,165.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    428,776.08 : 591,696.09 = 237,807.24 : x
  2. Step 2: Convert to fraction form
    428,776.08/591,696.09 = 237,807.24/x
  3. Step 3: Cross multiply
    428,776.08x = 591,696.09 × 237,807.24
  4. Step 4: Simplify right side
    428,776.08x = 140,709,614,081.69
  5. Step 5: Solve for x
    x = 140,709,614,081.69/428,776.08
  6. Step 6: Final answer
    x = 328,165.73

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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.