Home / 880,391.25-1,321,037.27-419,291.27

Finding the Fourth Proportional to 880,391.25, 1,321,037.27 and 419,291.27

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Solution

The fourth proportional to 880,391.25, 1,321,037.27 and 419,291.27 is: 629,151.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,391.25 : 1,321,037.27 = 419,291.27 : x
  2. Step 2: Convert to fraction form
    880,391.25/1,321,037.27 = 419,291.27/x
  3. Step 3: Cross multiply
    880,391.25x = 1,321,037.27 × 419,291.27
  4. Step 4: Simplify right side
    880,391.25x = 553,899,385,953.99
  5. Step 5: Solve for x
    x = 553,899,385,953.99/880,391.25
  6. Step 6: Final answer
    x = 629,151.40

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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.