Home / 813,122.80-1,122,108.36-450,570.14

Finding the Fourth Proportional to 813,122.80, 1,122,108.36 and 450,570.14

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Solution

The fourth proportional to 813,122.80, 1,122,108.36 and 450,570.14 is: 621,786.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,122.80 : 1,122,108.36 = 450,570.14 : x
  2. Step 2: Convert to fraction form
    813,122.80/1,122,108.36 = 450,570.14/x
  3. Step 3: Cross multiply
    813,122.80x = 1,122,108.36 × 450,570.14
  4. Step 4: Simplify right side
    813,122.80x = 505,588,515,249.83
  5. Step 5: Solve for x
    x = 505,588,515,249.83/813,122.80
  6. Step 6: Final answer
    x = 621,786.18

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.