Home / 888,133.30-1,330,669.05-413,845.90

Finding the Fourth Proportional to 888,133.30, 1,330,669.05 and 413,845.90

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Solution

The fourth proportional to 888,133.30, 1,330,669.05 and 413,845.90 is: 620,055.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,133.30 : 1,330,669.05 = 413,845.90 : x
  2. Step 2: Convert to fraction form
    888,133.30/1,330,669.05 = 413,845.90/x
  3. Step 3: Cross multiply
    888,133.30x = 1,330,669.05 × 413,845.90
  4. Step 4: Simplify right side
    888,133.30x = 550,691,930,599.40
  5. Step 5: Solve for x
    x = 550,691,930,599.40/888,133.30
  6. Step 6: Final answer
    x = 620,055.49

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1.5x scale

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.