Home / 766,824.80-1,151,549.40-743,205.20

Finding the Fourth Proportional to 766,824.80, 1,151,549.40 and 743,205.20

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Solution

The fourth proportional to 766,824.80, 1,151,549.40 and 743,205.20 is: 1,116,079.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,824.80 : 1,151,549.40 = 743,205.20 : x
  2. Step 2: Convert to fraction form
    766,824.80/1,151,549.40 = 743,205.20/x
  3. Step 3: Cross multiply
    766,824.80x = 1,151,549.40 × 743,205.20
  4. Step 4: Simplify right side
    766,824.80x = 855,837,502,136.88
  5. Step 5: Solve for x
    x = 855,837,502,136.88/766,824.80
  6. Step 6: Final answer
    x = 1,116,079.58

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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.