Home / 674,568.36-1,010,039.26-513,878.76

Finding the Fourth Proportional to 674,568.36, 1,010,039.26 and 513,878.76

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Solution

The fourth proportional to 674,568.36, 1,010,039.26 and 513,878.76 is: 769,436.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,568.36 : 1,010,039.26 = 513,878.76 : x
  2. Step 2: Convert to fraction form
    674,568.36/1,010,039.26 = 513,878.76/x
  3. Step 3: Cross multiply
    674,568.36x = 1,010,039.26 × 513,878.76
  4. Step 4: Simplify right side
    674,568.36x = 519,037,722,480.12
  5. Step 5: Solve for x
    x = 519,037,722,480.12/674,568.36
  6. Step 6: Final answer
    x = 769,436.80

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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.