Home / 903,867.80-1,247,295.74-495,959.48

Finding the Fourth Proportional to 903,867.80, 1,247,295.74 and 495,959.48

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Solution

The fourth proportional to 903,867.80, 1,247,295.74 and 495,959.48 is: 684,401.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,867.80 : 1,247,295.74 = 495,959.48 : x
  2. Step 2: Convert to fraction form
    903,867.80/1,247,295.74 = 495,959.48/x
  3. Step 3: Cross multiply
    903,867.80x = 1,247,295.74 × 495,959.48
  4. Step 4: Simplify right side
    903,867.80x = 618,608,146,616.62
  5. Step 5: Solve for x
    x = 618,608,146,616.62/903,867.80
  6. Step 6: Final answer
    x = 684,401.13

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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.