Home / 680,949.80-1,018,800.30-444,753.80

Finding the Fourth Proportional to 680,949.80, 1,018,800.30 and 444,753.80

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Solution

The fourth proportional to 680,949.80, 1,018,800.30 and 444,753.80 is: 665,416.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,949.80 : 1,018,800.30 = 444,753.80 : x
  2. Step 2: Convert to fraction form
    680,949.80/1,018,800.30 = 444,753.80/x
  3. Step 3: Cross multiply
    680,949.80x = 1,018,800.30 × 444,753.80
  4. Step 4: Simplify right side
    680,949.80x = 453,115,304,866.14
  5. Step 5: Solve for x
    x = 453,115,304,866.14/680,949.80
  6. Step 6: Final answer
    x = 665,416.61

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1.5x scale

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.