Home / 708,906.20-1,062,387.30-455,408.60

Finding the Fourth Proportional to 708,906.20, 1,062,387.30 and 455,408.60

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Solution

The fourth proportional to 708,906.20, 1,062,387.30 and 455,408.60 is: 682,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,906.20 : 1,062,387.30 = 455,408.60 : x
  2. Step 2: Convert to fraction form
    708,906.20/1,062,387.30 = 455,408.60/x
  3. Step 3: Cross multiply
    708,906.20x = 1,062,387.30 × 455,408.60
  4. Step 4: Simplify right side
    708,906.20x = 483,820,312,950.78
  5. Step 5: Solve for x
    x = 483,820,312,950.78/708,906.20
  6. Step 6: Final answer
    x = 682,488.48

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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.