Home / 898,152.60-1,239,449.82-495,743.64

Finding the Fourth Proportional to 898,152.60, 1,239,449.82 and 495,743.64

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Solution

The fourth proportional to 898,152.60, 1,239,449.82 and 495,743.64 is: 684,125.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,152.60 : 1,239,449.82 = 495,743.64 : x
  2. Step 2: Convert to fraction form
    898,152.60/1,239,449.82 = 495,743.64/x
  3. Step 3: Cross multiply
    898,152.60x = 1,239,449.82 × 495,743.64
  4. Step 4: Simplify right side
    898,152.60x = 614,449,365,364.15
  5. Step 5: Solve for x
    x = 614,449,365,364.15/898,152.60
  6. Step 6: Final answer
    x = 684,125.80

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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.