Home / 886,622.68-1,330,120.82-287,537.12

Finding the Fourth Proportional to 886,622.68, 1,330,120.82 and 287,537.12

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Solution

The fourth proportional to 886,622.68, 1,330,120.82 and 287,537.12 is: 431,366.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,622.68 : 1,330,120.82 = 287,537.12 : x
  2. Step 2: Convert to fraction form
    886,622.68/1,330,120.82 = 287,537.12/x
  3. Step 3: Cross multiply
    886,622.68x = 1,330,120.82 × 287,537.12
  4. Step 4: Simplify right side
    886,622.68x = 382,459,109,834.84
  5. Step 5: Solve for x
    x = 382,459,109,834.84/886,622.68
  6. Step 6: Final answer
    x = 431,366.26

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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.