Home / 757,614.80-1,137,734.40-403,320.80

Finding the Fourth Proportional to 757,614.80, 1,137,734.40 and 403,320.80

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Solution

The fourth proportional to 757,614.80, 1,137,734.40 and 403,320.80 is: 605,679.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,614.80 : 1,137,734.40 = 403,320.80 : x
  2. Step 2: Convert to fraction form
    757,614.80/1,137,734.40 = 403,320.80/x
  3. Step 3: Cross multiply
    757,614.80x = 1,137,734.40 × 403,320.80
  4. Step 4: Simplify right side
    757,614.80x = 458,871,948,395.52
  5. Step 5: Solve for x
    x = 458,871,948,395.52/757,614.80
  6. Step 6: Final answer
    x = 605,679.76

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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.