Home / 840,481.93-1,159,867.79-458,516.71

Finding the Fourth Proportional to 840,481.93, 1,159,867.79 and 458,516.71

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Solution

The fourth proportional to 840,481.93, 1,159,867.79 and 458,516.71 is: 632,754.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,481.93 : 1,159,867.79 = 458,516.71 : x
  2. Step 2: Convert to fraction form
    840,481.93/1,159,867.79 = 458,516.71/x
  3. Step 3: Cross multiply
    840,481.93x = 1,159,867.79 × 458,516.71
  4. Step 4: Simplify right side
    840,481.93x = 531,818,763,105.77
  5. Step 5: Solve for x
    x = 531,818,763,105.77/840,481.93
  6. Step 6: Final answer
    x = 632,754.55

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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.