Home / 888,385.12-1,333,168.16-415,107.52

Finding the Fourth Proportional to 888,385.12, 1,333,168.16 and 415,107.52

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Solution

The fourth proportional to 888,385.12, 1,333,168.16 and 415,107.52 is: 622,937.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,385.12 : 1,333,168.16 = 415,107.52 : x
  2. Step 2: Convert to fraction form
    888,385.12/1,333,168.16 = 415,107.52/x
  3. Step 3: Cross multiply
    888,385.12x = 1,333,168.16 × 415,107.52
  4. Step 4: Simplify right side
    888,385.12x = 553,408,128,640.56
  5. Step 5: Solve for x
    x = 553,408,128,640.56/888,385.12
  6. Step 6: Final answer
    x = 622,937.19

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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.