Home / 886,864.90-1,330,297.35-512,695.30

Finding the Fourth Proportional to 886,864.90, 1,330,297.35 and 512,695.30

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Solution

The fourth proportional to 886,864.90, 1,330,297.35 and 512,695.30 is: 769,042.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,864.90 : 1,330,297.35 = 512,695.30 : x
  2. Step 2: Convert to fraction form
    886,864.90/1,330,297.35 = 512,695.30/x
  3. Step 3: Cross multiply
    886,864.90x = 1,330,297.35 × 512,695.30
  4. Step 4: Simplify right side
    886,864.90x = 682,037,198,947.46
  5. Step 5: Solve for x
    x = 682,037,198,947.46/886,864.90
  6. Step 6: Final answer
    x = 769,042.95

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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.