Home / 666,087.24-999,458.91-311,049.66

Finding the Fourth Proportional to 666,087.24, 999,458.91 and 311,049.66

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Solution

The fourth proportional to 666,087.24, 999,458.91 and 311,049.66 is: 466,727.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    666,087.24 : 999,458.91 = 311,049.66 : x
  2. Step 2: Convert to fraction form
    666,087.24/999,458.91 = 311,049.66/x
  3. Step 3: Cross multiply
    666,087.24x = 999,458.91 × 311,049.66
  4. Step 4: Simplify right side
    666,087.24x = 310,881,354,139.47
  5. Step 5: Solve for x
    x = 310,881,354,139.47/666,087.24
  6. Step 6: Final answer
    x = 466,727.68

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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.