Home / 876,773.80-1,314,771.90-403,604.20

Finding the Fourth Proportional to 876,773.80, 1,314,771.90 and 403,604.20

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Solution

The fourth proportional to 876,773.80, 1,314,771.90 and 403,604.20 is: 605,227.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,773.80 : 1,314,771.90 = 403,604.20 : x
  2. Step 2: Convert to fraction form
    876,773.80/1,314,771.90 = 403,604.20/x
  3. Step 3: Cross multiply
    876,773.80x = 1,314,771.90 × 403,604.20
  4. Step 4: Simplify right side
    876,773.80x = 530,647,460,881.98
  5. Step 5: Solve for x
    x = 530,647,460,881.98/876,773.80
  6. Step 6: Final answer
    x = 605,227.32

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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.