Home / 707,812.20-1,061,718.30-209,176.20

Finding the Fourth Proportional to 707,812.20, 1,061,718.30 and 209,176.20

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Solution

The fourth proportional to 707,812.20, 1,061,718.30 and 209,176.20 is: 313,764.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,812.20 : 1,061,718.30 = 209,176.20 : x
  2. Step 2: Convert to fraction form
    707,812.20/1,061,718.30 = 209,176.20/x
  3. Step 3: Cross multiply
    707,812.20x = 1,061,718.30 × 209,176.20
  4. Step 4: Simplify right side
    707,812.20x = 222,086,199,464.46
  5. Step 5: Solve for x
    x = 222,086,199,464.46/707,812.20
  6. Step 6: Final answer
    x = 313,764.30

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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.