Home / 790,375.91-1,185,564.71-369,947.03

Finding the Fourth Proportional to 790,375.91, 1,185,564.71 and 369,947.03

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Solution

The fourth proportional to 790,375.91, 1,185,564.71 and 369,947.03 is: 554,920.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,375.91 : 1,185,564.71 = 369,947.03 : x
  2. Step 2: Convert to fraction form
    790,375.91/1,185,564.71 = 369,947.03/x
  3. Step 3: Cross multiply
    790,375.91x = 1,185,564.71 × 369,947.03
  4. Step 4: Simplify right side
    790,375.91x = 438,596,135,559.75
  5. Step 5: Solve for x
    x = 438,596,135,559.75/790,375.91
  6. Step 6: Final answer
    x = 554,920.93

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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.