Home / 840,896.73-1,260,595.15-308,293.65

Finding the Fourth Proportional to 840,896.73, 1,260,595.15 and 308,293.65

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Solution

The fourth proportional to 840,896.73, 1,260,595.15 and 308,293.65 is: 462,165.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,896.73 : 1,260,595.15 = 308,293.65 : x
  2. Step 2: Convert to fraction form
    840,896.73/1,260,595.15 = 308,293.65/x
  3. Step 3: Cross multiply
    840,896.73x = 1,260,595.15 × 308,293.65
  4. Step 4: Simplify right side
    840,896.73x = 388,633,479,965.80
  5. Step 5: Solve for x
    x = 388,633,479,965.80/840,896.73
  6. Step 6: Final answer
    x = 462,165.53

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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.