Home / 880,838.11-1,321,284.57-419,114.89

Finding the Fourth Proportional to 880,838.11, 1,321,284.57 and 419,114.89

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Solution

The fourth proportional to 880,838.11, 1,321,284.57 and 419,114.89 is: 628,685.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,838.11 : 1,321,284.57 = 419,114.89 : x
  2. Step 2: Convert to fraction form
    880,838.11/1,321,284.57 = 419,114.89/x
  3. Step 3: Cross multiply
    880,838.11x = 1,321,284.57 × 419,114.89
  4. Step 4: Simplify right side
    880,838.11x = 553,770,037,214.25
  5. Step 5: Solve for x
    x = 553,770,037,214.25/880,838.11
  6. Step 6: Final answer
    x = 628,685.37

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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.