Home / 755,619.20-1,133,428.80-194,653.70

Finding the Fourth Proportional to 755,619.20, 1,133,428.80 and 194,653.70

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Solution

The fourth proportional to 755,619.20, 1,133,428.80 and 194,653.70 is: 291,980.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,619.20 : 1,133,428.80 = 194,653.70 : x
  2. Step 2: Convert to fraction form
    755,619.20/1,133,428.80 = 194,653.70/x
  3. Step 3: Cross multiply
    755,619.20x = 1,133,428.80 × 194,653.70
  4. Step 4: Simplify right side
    755,619.20x = 220,626,109,606.56
  5. Step 5: Solve for x
    x = 220,626,109,606.56/755,619.20
  6. Step 6: Final answer
    x = 291,980.55

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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.