Home / 888,290.90-1,332,137.98-289,111.14

Finding the Fourth Proportional to 888,290.90, 1,332,137.98 and 289,111.14

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Solution

The fourth proportional to 888,290.90, 1,332,137.98 and 289,111.14 is: 433,569.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,290.90 : 1,332,137.98 = 289,111.14 : x
  2. Step 2: Convert to fraction form
    888,290.90/1,332,137.98 = 289,111.14/x
  3. Step 3: Cross multiply
    888,290.90x = 1,332,137.98 × 289,111.14
  4. Step 4: Simplify right side
    888,290.90x = 385,135,930,396.49
  5. Step 5: Solve for x
    x = 385,135,930,396.49/888,290.90
  6. Step 6: Final answer
    x = 433,569.60

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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.