Home / 752,858.69-1,129,048.54-247,302.38

Finding the Fourth Proportional to 752,858.69, 1,129,048.54 and 247,302.38

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Solution

The fourth proportional to 752,858.69, 1,129,048.54 and 247,302.38 is: 370,874.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    752,858.69 : 1,129,048.54 = 247,302.38 : x
  2. Step 2: Convert to fraction form
    752,858.69/1,129,048.54 = 247,302.38/x
  3. Step 3: Cross multiply
    752,858.69x = 1,129,048.54 × 247,302.38
  4. Step 4: Simplify right side
    752,858.69x = 279,216,384,195.77
  5. Step 5: Solve for x
    x = 279,216,384,195.77/752,858.69
  6. Step 6: Final answer
    x = 370,874.89

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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.