Home / 903,849.12-1,247,310.90-495,953.28

Finding the Fourth Proportional to 903,849.12, 1,247,310.90 and 495,953.28

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Solution

The fourth proportional to 903,849.12, 1,247,310.90 and 495,953.28 is: 684,415.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,849.12 : 1,247,310.90 = 495,953.28 : x
  2. Step 2: Convert to fraction form
    903,849.12/1,247,310.90 = 495,953.28/x
  3. Step 3: Cross multiply
    903,849.12x = 1,247,310.90 × 495,953.28
  4. Step 4: Simplify right side
    903,849.12x = 618,607,932,034.75
  5. Step 5: Solve for x
    x = 618,607,932,034.75/903,849.12
  6. Step 6: Final answer
    x = 684,415.04

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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.