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Finding the Fourth Proportional to 887,855.85, 1,331,796.06 and 288,820.14

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Solution

The fourth proportional to 887,855.85, 1,331,796.06 and 288,820.14 is: 433,234.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,855.85 : 1,331,796.06 = 288,820.14 : x
  2. Step 2: Convert to fraction form
    887,855.85/1,331,796.06 = 288,820.14/x
  3. Step 3: Cross multiply
    887,855.85x = 1,331,796.06 × 288,820.14
  4. Step 4: Simplify right side
    887,855.85x = 384,649,524,500.65
  5. Step 5: Solve for x
    x = 384,649,524,500.65/887,855.85
  6. Step 6: Final answer
    x = 433,234.21

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1.5x scale

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.