Home / 815,545.20-1,223,317.80-605,593.20

Finding the Fourth Proportional to 815,545.20, 1,223,317.80 and 605,593.20

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Solution

The fourth proportional to 815,545.20, 1,223,317.80 and 605,593.20 is: 908,389.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,545.20 : 1,223,317.80 = 605,593.20 : x
  2. Step 2: Convert to fraction form
    815,545.20/1,223,317.80 = 605,593.20/x
  3. Step 3: Cross multiply
    815,545.20x = 1,223,317.80 × 605,593.20
  4. Step 4: Simplify right side
    815,545.20x = 740,832,941,118.96
  5. Step 5: Solve for x
    x = 740,832,941,118.96/815,545.20
  6. Step 6: Final answer
    x = 908,389.80

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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.