Home / 887,084.90-1,330,299.30-288,065.60

Finding the Fourth Proportional to 887,084.90, 1,330,299.30 and 288,065.60

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Solution

The fourth proportional to 887,084.90, 1,330,299.30 and 288,065.60 is: 431,991.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,084.90 : 1,330,299.30 = 288,065.60 : x
  2. Step 2: Convert to fraction form
    887,084.90/1,330,299.30 = 288,065.60/x
  3. Step 3: Cross multiply
    887,084.90x = 1,330,299.30 × 288,065.60
  4. Step 4: Simplify right side
    887,084.90x = 383,213,466,034.08
  5. Step 5: Solve for x
    x = 383,213,466,034.08/887,084.90
  6. Step 6: Final answer
    x = 431,991.87

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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.