Home / 782,094.78-1,173,585.92-422,260.81

Finding the Fourth Proportional to 782,094.78, 1,173,585.92 and 422,260.81

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Solution

The fourth proportional to 782,094.78, 1,173,585.92 and 422,260.81 is: 633,630.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,094.78 : 1,173,585.92 = 422,260.81 : x
  2. Step 2: Convert to fraction form
    782,094.78/1,173,585.92 = 422,260.81/x
  3. Step 3: Cross multiply
    782,094.78x = 1,173,585.92 × 422,260.81
  4. Step 4: Simplify right side
    782,094.78x = 495,559,336,138.53
  5. Step 5: Solve for x
    x = 495,559,336,138.53/782,094.78
  6. Step 6: Final answer
    x = 633,630.79

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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.