Home / 886,535.35-1,329,989.85-287,449.80

Finding the Fourth Proportional to 886,535.35, 1,329,989.85 and 287,449.80

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Solution

The fourth proportional to 886,535.35, 1,329,989.85 and 287,449.80 is: 431,235.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,535.35 : 1,329,989.85 = 287,449.80 : x
  2. Step 2: Convert to fraction form
    886,535.35/1,329,989.85 = 287,449.80/x
  3. Step 3: Cross multiply
    886,535.35x = 1,329,989.85 × 287,449.80
  4. Step 4: Simplify right side
    886,535.35x = 382,305,316,384.53
  5. Step 5: Solve for x
    x = 382,305,316,384.53/886,535.35
  6. Step 6: Final answer
    x = 431,235.28

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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.