Home / 725,108.80-1,087,231.20-444,827.20

Finding the Fourth Proportional to 725,108.80, 1,087,231.20 and 444,827.20

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Solution

The fourth proportional to 725,108.80, 1,087,231.20 and 444,827.20 is: 666,975.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    725,108.80 : 1,087,231.20 = 444,827.20 : x
  2. Step 2: Convert to fraction form
    725,108.80/1,087,231.20 = 444,827.20/x
  3. Step 3: Cross multiply
    725,108.80x = 1,087,231.20 × 444,827.20
  4. Step 4: Simplify right side
    725,108.80x = 483,630,010,448.64
  5. Step 5: Solve for x
    x = 483,630,010,448.64/725,108.80
  6. Step 6: Final answer
    x = 666,975.78

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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.