Home / 788,375.70-1,182,976.65-362,040.30

Finding the Fourth Proportional to 788,375.70, 1,182,976.65 and 362,040.30

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Solution

The fourth proportional to 788,375.70, 1,182,976.65 and 362,040.30 is: 543,250.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,375.70 : 1,182,976.65 = 362,040.30 : x
  2. Step 2: Convert to fraction form
    788,375.70/1,182,976.65 = 362,040.30/x
  3. Step 3: Cross multiply
    788,375.70x = 1,182,976.65 × 362,040.30
  4. Step 4: Simplify right side
    788,375.70x = 428,285,221,259.00
  5. Step 5: Solve for x
    x = 428,285,221,259.00/788,375.70
  6. Step 6: Final answer
    x = 543,250.16

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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.