Home / 738,262.20-1,107,911.70-317,839.80

Finding the Fourth Proportional to 738,262.20, 1,107,911.70 and 317,839.80

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Solution

The fourth proportional to 738,262.20, 1,107,911.70 and 317,839.80 is: 476,982.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,262.20 : 1,107,911.70 = 317,839.80 : x
  2. Step 2: Convert to fraction form
    738,262.20/1,107,911.70 = 317,839.80/x
  3. Step 3: Cross multiply
    738,262.20x = 1,107,911.70 × 317,839.80
  4. Step 4: Simplify right side
    738,262.20x = 352,138,433,145.66
  5. Step 5: Solve for x
    x = 352,138,433,145.66/738,262.20
  6. Step 6: Final answer
    x = 476,982.88

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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.