Home / 738,283.20-1,107,943.20-317,860.80

Finding the Fourth Proportional to 738,283.20, 1,107,943.20 and 317,860.80

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Solution

The fourth proportional to 738,283.20, 1,107,943.20 and 317,860.80 is: 477,014.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,283.20 : 1,107,943.20 = 317,860.80 : x
  2. Step 2: Convert to fraction form
    738,283.20/1,107,943.20 = 317,860.80/x
  3. Step 3: Cross multiply
    738,283.20x = 1,107,943.20 × 317,860.80
  4. Step 4: Simplify right side
    738,283.20x = 352,171,711,906.56
  5. Step 5: Solve for x
    x = 352,171,711,906.56/738,283.20
  6. Step 6: Final answer
    x = 477,014.39

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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.