Home / 705,057.15-1,057,760.69-330,642.75

Finding the Fourth Proportional to 705,057.15, 1,057,760.69 and 330,642.75

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Solution

The fourth proportional to 705,057.15, 1,057,760.69 and 330,642.75 is: 496,046.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,057.15 : 1,057,760.69 = 330,642.75 : x
  2. Step 2: Convert to fraction form
    705,057.15/1,057,760.69 = 330,642.75/x
  3. Step 3: Cross multiply
    705,057.15x = 1,057,760.69 × 330,642.75
  4. Step 4: Simplify right side
    705,057.15x = 349,740,901,730.28
  5. Step 5: Solve for x
    x = 349,740,901,730.28/705,057.15
  6. Step 6: Final answer
    x = 496,046.17

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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.