Home / 887,141.70-1,330,738.47-347,375.52

Finding the Fourth Proportional to 887,141.70, 1,330,738.47 and 347,375.52

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Solution

The fourth proportional to 887,141.70, 1,330,738.47 and 347,375.52 is: 521,073.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,141.70 : 1,330,738.47 = 347,375.52 : x
  2. Step 2: Convert to fraction form
    887,141.70/1,330,738.47 = 347,375.52/x
  3. Step 3: Cross multiply
    887,141.70x = 1,330,738.47 × 347,375.52
  4. Step 4: Simplify right side
    887,141.70x = 462,265,968,000.25
  5. Step 5: Solve for x
    x = 462,265,968,000.25/887,141.70
  6. Step 6: Final answer
    x = 521,073.43

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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.