Home / 898,147.60-1,239,442.92-495,738.64

Finding the Fourth Proportional to 898,147.60, 1,239,442.92 and 495,738.64

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Solution

The fourth proportional to 898,147.60, 1,239,442.92 and 495,738.64 is: 684,118.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,147.60 : 1,239,442.92 = 495,738.64 : x
  2. Step 2: Convert to fraction form
    898,147.60/1,239,442.92 = 495,738.64/x
  3. Step 3: Cross multiply
    898,147.60x = 1,239,442.92 × 495,738.64
  4. Step 4: Simplify right side
    898,147.60x = 614,439,747,518.43
  5. Step 5: Solve for x
    x = 614,439,747,518.43/898,147.60
  6. Step 6: Final answer
    x = 684,118.90

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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.