Home / 887,202.60-1,330,998.30-288,061.80

Finding the Fourth Proportional to 887,202.60, 1,330,998.30 and 288,061.80

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Solution

The fourth proportional to 887,202.60, 1,330,998.30 and 288,061.80 is: 432,155.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,202.60 : 1,330,998.30 = 288,061.80 : x
  2. Step 2: Convert to fraction form
    887,202.60/1,330,998.30 = 288,061.80/x
  3. Step 3: Cross multiply
    887,202.60x = 1,330,998.30 × 288,061.80
  4. Step 4: Simplify right side
    887,202.60x = 383,409,766,094.94
  5. Step 5: Solve for x
    x = 383,409,766,094.94/887,202.60
  6. Step 6: Final answer
    x = 432,155.82

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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.