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Finding the Fourth Proportional to 888,300.10, 1,330,481.85 and 355,546.90

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Solution

The fourth proportional to 888,300.10, 1,330,481.85 and 355,546.90 is: 532,532.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,300.10 : 1,330,481.85 = 355,546.90 : x
  2. Step 2: Convert to fraction form
    888,300.10/1,330,481.85 = 355,546.90/x
  3. Step 3: Cross multiply
    888,300.10x = 1,330,481.85 × 355,546.90
  4. Step 4: Simplify right side
    888,300.10x = 473,048,697,273.77
  5. Step 5: Solve for x
    x = 473,048,697,273.77/888,300.10
  6. Step 6: Final answer
    x = 532,532.53

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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.