Home / 903,716.85-1,247,141.99-495,811.28

Finding the Fourth Proportional to 903,716.85, 1,247,141.99 and 495,811.28

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Solution

The fourth proportional to 903,716.85, 1,247,141.99 and 495,811.28 is: 684,226.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,716.85 : 1,247,141.99 = 495,811.28 : x
  2. Step 2: Convert to fraction form
    903,716.85/1,247,141.99 = 495,811.28/x
  3. Step 3: Cross multiply
    903,716.85x = 1,247,141.99 × 495,811.28
  4. Step 4: Simplify right side
    903,716.85x = 618,347,067,042.45
  5. Step 5: Solve for x
    x = 618,347,067,042.45/903,716.85
  6. Step 6: Final answer
    x = 684,226.55

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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.