Home / 723,883.56-999,047.91-417,959.43

Finding the Fourth Proportional to 723,883.56, 999,047.91 and 417,959.43

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Solution

The fourth proportional to 723,883.56, 999,047.91 and 417,959.43 is: 576,835.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,883.56 : 999,047.91 = 417,959.43 : x
  2. Step 2: Convert to fraction form
    723,883.56/999,047.91 = 417,959.43/x
  3. Step 3: Cross multiply
    723,883.56x = 999,047.91 × 417,959.43
  4. Step 4: Simplify right side
    723,883.56x = 417,561,498,752.72
  5. Step 5: Solve for x
    x = 417,561,498,752.72/723,883.56
  6. Step 6: Final answer
    x = 576,835.17

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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.