Home / 979,345.06-1,469,469.77-447,029.26

Finding the Fourth Proportional to 979,345.06, 1,469,469.77 and 447,029.26

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Solution

The fourth proportional to 979,345.06, 1,469,469.77 and 447,029.26 is: 670,750.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,345.06 : 1,469,469.77 = 447,029.26 : x
  2. Step 2: Convert to fraction form
    979,345.06/1,469,469.77 = 447,029.26/x
  3. Step 3: Cross multiply
    979,345.06x = 1,469,469.77 × 447,029.26
  4. Step 4: Simplify right side
    979,345.06x = 656,895,983,875.47
  5. Step 5: Solve for x
    x = 656,895,983,875.47/979,345.06
  6. Step 6: Final answer
    x = 670,750.29

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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.