Home / 807,360.20-1,211,040.30-789,864.20

Finding the Fourth Proportional to 807,360.20, 1,211,040.30 and 789,864.20

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Solution

The fourth proportional to 807,360.20, 1,211,040.30 and 789,864.20 is: 1,184,796.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,360.20 : 1,211,040.30 = 789,864.20 : x
  2. Step 2: Convert to fraction form
    807,360.20/1,211,040.30 = 789,864.20/x
  3. Step 3: Cross multiply
    807,360.20x = 1,211,040.30 × 789,864.20
  4. Step 4: Simplify right side
    807,360.20x = 956,557,377,727.26
  5. Step 5: Solve for x
    x = 956,557,377,727.26/807,360.20
  6. Step 6: Final answer
    x = 1,184,796.30

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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.