Home / 463,579.30-639,838.29-272,701.59

Finding the Fourth Proportional to 463,579.30, 639,838.29 and 272,701.59

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Solution

The fourth proportional to 463,579.30, 639,838.29 and 272,701.59 is: 376,386.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    463,579.30 : 639,838.29 = 272,701.59 : x
  2. Step 2: Convert to fraction form
    463,579.30/639,838.29 = 272,701.59/x
  3. Step 3: Cross multiply
    463,579.30x = 639,838.29 × 272,701.59
  4. Step 4: Simplify right side
    463,579.30x = 174,484,916,115.17
  5. Step 5: Solve for x
    x = 174,484,916,115.17/463,579.30
  6. Step 6: Final answer
    x = 376,386.34

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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.