Home / 789,952.86-1,090,107.99-450,530.46

Finding the Fourth Proportional to 789,952.86, 1,090,107.99 and 450,530.46

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Solution

The fourth proportional to 789,952.86, 1,090,107.99 and 450,530.46 is: 621,716.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,952.86 : 1,090,107.99 = 450,530.46 : x
  2. Step 2: Convert to fraction form
    789,952.86/1,090,107.99 = 450,530.46/x
  3. Step 3: Cross multiply
    789,952.86x = 1,090,107.99 × 450,530.46
  4. Step 4: Simplify right side
    789,952.86x = 491,126,854,184.38
  5. Step 5: Solve for x
    x = 491,126,854,184.38/789,952.86
  6. Step 6: Final answer
    x = 621,716.66

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Why These Related Problems?

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