Home / 738,107.60-1,107,161.40-205,710.80

Finding the Fourth Proportional to 738,107.60, 1,107,161.40 and 205,710.80

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Solution

The fourth proportional to 738,107.60, 1,107,161.40 and 205,710.80 is: 308,566.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,107.60 : 1,107,161.40 = 205,710.80 : x
  2. Step 2: Convert to fraction form
    738,107.60/1,107,161.40 = 205,710.80/x
  3. Step 3: Cross multiply
    738,107.60x = 1,107,161.40 × 205,710.80
  4. Step 4: Simplify right side
    738,107.60x = 227,755,057,323.12
  5. Step 5: Solve for x
    x = 227,755,057,323.12/738,107.60
  6. Step 6: Final answer
    x = 308,566.20

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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.