Home / 886,732.10-1,330,292.55-287,591.30

Finding the Fourth Proportional to 886,732.10, 1,330,292.55 and 287,591.30

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Solution

The fourth proportional to 886,732.10, 1,330,292.55 and 287,591.30 is: 431,450.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,732.10 : 1,330,292.55 = 287,591.30 : x
  2. Step 2: Convert to fraction form
    886,732.10/1,330,292.55 = 287,591.30/x
  3. Step 3: Cross multiply
    886,732.10x = 1,330,292.55 × 287,591.30
  4. Step 4: Simplify right side
    886,732.10x = 382,580,563,834.82
  5. Step 5: Solve for x
    x = 382,580,563,834.82/886,732.10
  6. Step 6: Final answer
    x = 431,450.00

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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.