Home / 786,643.11-1,181,142.41-450,063.27

Finding the Fourth Proportional to 786,643.11, 1,181,142.41 and 450,063.27

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Solution

The fourth proportional to 786,643.11, 1,181,142.41 and 450,063.27 is: 675,768.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,643.11 : 1,181,142.41 = 450,063.27 : x
  2. Step 2: Convert to fraction form
    786,643.11/1,181,142.41 = 450,063.27/x
  3. Step 3: Cross multiply
    786,643.11x = 1,181,142.41 × 450,063.27
  4. Step 4: Simplify right side
    786,643.11x = 531,588,813,129.96
  5. Step 5: Solve for x
    x = 531,588,813,129.96/786,643.11
  6. Step 6: Final answer
    x = 675,768.73

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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.