Home / 898,093.50-1,239,370.65-495,685.50

Finding the Fourth Proportional to 898,093.50, 1,239,370.65 and 495,685.50

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Solution

The fourth proportional to 898,093.50, 1,239,370.65 and 495,685.50 is: 684,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,093.50 : 1,239,370.65 = 495,685.50 : x
  2. Step 2: Convert to fraction form
    898,093.50/1,239,370.65 = 495,685.50/x
  3. Step 3: Cross multiply
    898,093.50x = 1,239,370.65 × 495,685.50
  4. Step 4: Simplify right side
    898,093.50x = 614,338,060,330.58
  5. Step 5: Solve for x
    x = 614,338,060,330.58/898,093.50
  6. Step 6: Final answer
    x = 684,046.88

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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.