Home / 814,987.80-1,221,315.30-600,078.60

Finding the Fourth Proportional to 814,987.80, 1,221,315.30 and 600,078.60

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Solution

The fourth proportional to 814,987.80, 1,221,315.30 and 600,078.60 is: 899,259.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,987.80 : 1,221,315.30 = 600,078.60 : x
  2. Step 2: Convert to fraction form
    814,987.80/1,221,315.30 = 600,078.60/x
  3. Step 3: Cross multiply
    814,987.80x = 1,221,315.30 × 600,078.60
  4. Step 4: Simplify right side
    814,987.80x = 732,885,175,382.58
  5. Step 5: Solve for x
    x = 732,885,175,382.58/814,987.80
  6. Step 6: Final answer
    x = 899,259.08

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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.