Home / 817,524.40-1,128,281.92-495,225.04

Finding the Fourth Proportional to 817,524.40, 1,128,281.92 and 495,225.04

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Solution

The fourth proportional to 817,524.40, 1,128,281.92 and 495,225.04 is: 683,470.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,524.40 : 1,128,281.92 = 495,225.04 : x
  2. Step 2: Convert to fraction form
    817,524.40/1,128,281.92 = 495,225.04/x
  3. Step 3: Cross multiply
    817,524.40x = 1,128,281.92 × 495,225.04
  4. Step 4: Simplify right side
    817,524.40x = 558,753,458,963.28
  5. Step 5: Solve for x
    x = 558,753,458,963.28/817,524.40
  6. Step 6: Final answer
    x = 683,470.07

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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.