Home / 832,288.44-1,247,907.78-458,573.88

Finding the Fourth Proportional to 832,288.44, 1,247,907.78 and 458,573.88

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Solution

The fourth proportional to 832,288.44, 1,247,907.78 and 458,573.88 is: 687,571.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,288.44 : 1,247,907.78 = 458,573.88 : x
  2. Step 2: Convert to fraction form
    832,288.44/1,247,907.78 = 458,573.88/x
  3. Step 3: Cross multiply
    832,288.44x = 1,247,907.78 × 458,573.88
  4. Step 4: Simplify right side
    832,288.44x = 572,257,912,556.79
  5. Step 5: Solve for x
    x = 572,257,912,556.79/832,288.44
  6. Step 6: Final answer
    x = 687,571.62

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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.