Home / 781,580.24-1,172,113.08-276,049.36

Finding the Fourth Proportional to 781,580.24, 1,172,113.08 and 276,049.36

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Solution

The fourth proportional to 781,580.24, 1,172,113.08 and 276,049.36 is: 413,983.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,580.24 : 1,172,113.08 = 276,049.36 : x
  2. Step 2: Convert to fraction form
    781,580.24/1,172,113.08 = 276,049.36/x
  3. Step 3: Cross multiply
    781,580.24x = 1,172,113.08 × 276,049.36
  4. Step 4: Simplify right side
    781,580.24x = 323,561,065,581.63
  5. Step 5: Solve for x
    x = 323,561,065,581.63/781,580.24
  6. Step 6: Final answer
    x = 413,983.17

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.