Home / 913,745.32-1,369,119.88-647,027.04

Finding the Fourth Proportional to 913,745.32, 1,369,119.88 and 647,027.04

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Solution

The fourth proportional to 913,745.32, 1,369,119.88 and 647,027.04 is: 969,479.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,745.32 : 1,369,119.88 = 647,027.04 : x
  2. Step 2: Convert to fraction form
    913,745.32/1,369,119.88 = 647,027.04/x
  3. Step 3: Cross multiply
    913,745.32x = 1,369,119.88 × 647,027.04
  4. Step 4: Simplify right side
    913,745.32x = 885,857,583,361.56
  5. Step 5: Solve for x
    x = 885,857,583,361.56/913,745.32
  6. Step 6: Final answer
    x = 969,479.75

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.