Home / 840,481.68-1,159,867.44-458,516.46

Finding the Fourth Proportional to 840,481.68, 1,159,867.44 and 458,516.46

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Solution

The fourth proportional to 840,481.68, 1,159,867.44 and 458,516.46 is: 632,754.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,481.68 : 1,159,867.44 = 458,516.46 : x
  2. Step 2: Convert to fraction form
    840,481.68/1,159,867.44 = 458,516.46/x
  3. Step 3: Cross multiply
    840,481.68x = 1,159,867.44 × 458,516.46
  4. Step 4: Simplify right side
    840,481.68x = 531,818,312,658.06
  5. Step 5: Solve for x
    x = 531,818,312,658.06/840,481.68
  6. Step 6: Final answer
    x = 632,754.20

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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.