Home / 903,751.86-1,247,190.30-495,846.30

Finding the Fourth Proportional to 903,751.86, 1,247,190.30 and 495,846.30

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Solution

The fourth proportional to 903,751.86, 1,247,190.30 and 495,846.30 is: 684,274.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,751.86 : 1,247,190.30 = 495,846.30 : x
  2. Step 2: Convert to fraction form
    903,751.86/1,247,190.30 = 495,846.30/x
  3. Step 3: Cross multiply
    903,751.86x = 1,247,190.30 × 495,846.30
  4. Step 4: Simplify right side
    903,751.86x = 618,414,695,650.89
  5. Step 5: Solve for x
    x = 618,414,695,650.89/903,751.86
  6. Step 6: Final answer
    x = 684,274.88

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1.5x scale

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.