Home / 463,529.31-639,391.09-272,385.51

Finding the Fourth Proportional to 463,529.31, 639,391.09 and 272,385.51

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Solution

The fourth proportional to 463,529.31, 639,391.09 and 272,385.51 is: 375,727.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,529.31 : 639,391.09 = 272,385.51 : x
  2. Step 2: Convert to fraction form
    463,529.31/639,391.09 = 272,385.51/x
  3. Step 3: Cross multiply
    463,529.31x = 639,391.09 × 272,385.51
  4. Step 4: Simplify right side
    463,529.31x = 174,160,868,139.11
  5. Step 5: Solve for x
    x = 174,160,868,139.11/463,529.31
  6. Step 6: Final answer
    x = 375,727.84

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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.