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Finding the Fourth Proportional to 650,876.68, 975,949.44 and 445,942.72

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Solution

The fourth proportional to 650,876.68, 975,949.44 and 445,942.72 is: 668,663.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,876.68 : 975,949.44 = 445,942.72 : x
  2. Step 2: Convert to fraction form
    650,876.68/975,949.44 = 445,942.72/x
  3. Step 3: Cross multiply
    650,876.68x = 975,949.44 × 445,942.72
  4. Step 4: Simplify right side
    650,876.68x = 435,217,547,856.08
  5. Step 5: Solve for x
    x = 435,217,547,856.08/650,876.68
  6. Step 6: Final answer
    x = 668,663.61

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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.