Home / 903,765.18-1,247,153.85-495,857.82

Finding the Fourth Proportional to 903,765.18, 1,247,153.85 and 495,857.82

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Solution

The fourth proportional to 903,765.18, 1,247,153.85 and 495,857.82 is: 684,260.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,765.18 : 1,247,153.85 = 495,857.82 : x
  2. Step 2: Convert to fraction form
    903,765.18/1,247,153.85 = 495,857.82/x
  3. Step 3: Cross multiply
    903,765.18x = 1,247,153.85 × 495,857.82
  4. Step 4: Simplify right side
    903,765.18x = 618,410,989,265.61
  5. Step 5: Solve for x
    x = 618,410,989,265.61/903,765.18
  6. Step 6: Final answer
    x = 684,260.69

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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.