Home / 826,982.49-1,239,724.74-574,382.25

Finding the Fourth Proportional to 826,982.49, 1,239,724.74 and 574,382.25

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Solution

The fourth proportional to 826,982.49, 1,239,724.74 and 574,382.25 is: 861,053.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,982.49 : 1,239,724.74 = 574,382.25 : x
  2. Step 2: Convert to fraction form
    826,982.49/1,239,724.74 = 574,382.25/x
  3. Step 3: Cross multiply
    826,982.49x = 1,239,724.74 × 574,382.25
  4. Step 4: Simplify right side
    826,982.49x = 712,075,885,541.87
  5. Step 5: Solve for x
    x = 712,075,885,541.87/826,982.49
  6. Step 6: Final answer
    x = 861,053.16

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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.