Home / 753,828.89-1,130,855.31-248,296.55

Finding the Fourth Proportional to 753,828.89, 1,130,855.31 and 248,296.55

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Solution

The fourth proportional to 753,828.89, 1,130,855.31 and 248,296.55 is: 372,481.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,828.89 : 1,130,855.31 = 248,296.55 : x
  2. Step 2: Convert to fraction form
    753,828.89/1,130,855.31 = 248,296.55/x
  3. Step 3: Cross multiply
    753,828.89x = 1,130,855.31 × 248,296.55
  4. Step 4: Simplify right side
    753,828.89x = 280,787,466,367.90
  5. Step 5: Solve for x
    x = 280,787,466,367.90/753,828.89
  6. Step 6: Final answer
    x = 372,481.70

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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.