Home / 691,839.20-1,037,758.80-551,871.20

Finding the Fourth Proportional to 691,839.20, 1,037,758.80 and 551,871.20

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Solution

The fourth proportional to 691,839.20, 1,037,758.80 and 551,871.20 is: 827,806.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,839.20 : 1,037,758.80 = 551,871.20 : x
  2. Step 2: Convert to fraction form
    691,839.20/1,037,758.80 = 551,871.20/x
  3. Step 3: Cross multiply
    691,839.20x = 1,037,758.80 × 551,871.20
  4. Step 4: Simplify right side
    691,839.20x = 572,709,194,266.56
  5. Step 5: Solve for x
    x = 572,709,194,266.56/691,839.20
  6. Step 6: Final answer
    x = 827,806.80

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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.