Home / 680,995.04-1,021,150.80-396,777.44

Finding the Fourth Proportional to 680,995.04, 1,021,150.80 and 396,777.44

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Solution

The fourth proportional to 680,995.04, 1,021,150.80 and 396,777.44 is: 594,967.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    680,995.04 : 1,021,150.80 = 396,777.44 : x
  2. Step 2: Convert to fraction form
    680,995.04/1,021,150.80 = 396,777.44/x
  3. Step 3: Cross multiply
    680,995.04x = 1,021,150.80 × 396,777.44
  4. Step 4: Simplify right side
    680,995.04x = 405,169,600,277.95
  5. Step 5: Solve for x
    x = 405,169,600,277.95/680,995.04
  6. Step 6: Final answer
    x = 594,967.04

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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.