Home / 707,941.20-1,061,911.80-209,305.20

Finding the Fourth Proportional to 707,941.20, 1,061,911.80 and 209,305.20

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Solution

The fourth proportional to 707,941.20, 1,061,911.80 and 209,305.20 is: 313,957.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,941.20 : 1,061,911.80 = 209,305.20 : x
  2. Step 2: Convert to fraction form
    707,941.20/1,061,911.80 = 209,305.20/x
  3. Step 3: Cross multiply
    707,941.20x = 1,061,911.80 × 209,305.20
  4. Step 4: Simplify right side
    707,941.20x = 222,263,661,681.36
  5. Step 5: Solve for x
    x = 222,263,661,681.36/707,941.20
  6. Step 6: Final answer
    x = 313,957.80

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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.