Home / 755,408.16-1,132,698.08-299,537.68

Finding the Fourth Proportional to 755,408.16, 1,132,698.08 and 299,537.68

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Solution

The fourth proportional to 755,408.16, 1,132,698.08 and 299,537.68 is: 449,142.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,408.16 : 1,132,698.08 = 299,537.68 : x
  2. Step 2: Convert to fraction form
    755,408.16/1,132,698.08 = 299,537.68/x
  3. Step 3: Cross multiply
    755,408.16x = 1,132,698.08 × 299,537.68
  4. Step 4: Simplify right side
    755,408.16x = 339,285,755,023.65
  5. Step 5: Solve for x
    x = 339,285,755,023.65/755,408.16
  6. Step 6: Final answer
    x = 449,142.30

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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.