Home / 908,745.76-1,254,052.88-495,286.27

Finding the Fourth Proportional to 908,745.76, 1,254,052.88 and 495,286.27

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Solution

The fourth proportional to 908,745.76, 1,254,052.88 and 495,286.27 is: 683,486.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,745.76 : 1,254,052.88 = 495,286.27 : x
  2. Step 2: Convert to fraction form
    908,745.76/1,254,052.88 = 495,286.27/x
  3. Step 3: Cross multiply
    908,745.76x = 1,254,052.88 × 495,286.27
  4. Step 4: Simplify right side
    908,745.76x = 621,115,170,472.58
  5. Step 5: Solve for x
    x = 621,115,170,472.58/908,745.76
  6. Step 6: Final answer
    x = 683,486.18

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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.