Home / 811,275.20-1,216,912.80-733,860.80

Finding the Fourth Proportional to 811,275.20, 1,216,912.80 and 733,860.80

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Solution

The fourth proportional to 811,275.20, 1,216,912.80 and 733,860.80 is: 1,100,791.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,275.20 : 1,216,912.80 = 733,860.80 : x
  2. Step 2: Convert to fraction form
    811,275.20/1,216,912.80 = 733,860.80/x
  3. Step 3: Cross multiply
    811,275.20x = 1,216,912.80 × 733,860.80
  4. Step 4: Simplify right side
    811,275.20x = 893,044,600,938.24
  5. Step 5: Solve for x
    x = 893,044,600,938.24/811,275.20
  6. Step 6: Final answer
    x = 1,100,791.20

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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.