Home / 775,269.20-1,163,249.40-354,328.40

Finding the Fourth Proportional to 775,269.20, 1,163,249.40 and 354,328.40

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Solution

The fourth proportional to 775,269.20, 1,163,249.40 and 354,328.40 is: 531,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,269.20 : 1,163,249.40 = 354,328.40 : x
  2. Step 2: Convert to fraction form
    775,269.20/1,163,249.40 = 354,328.40/x
  3. Step 3: Cross multiply
    775,269.20x = 1,163,249.40 × 354,328.40
  4. Step 4: Simplify right side
    775,269.20x = 412,172,298,702.96
  5. Step 5: Solve for x
    x = 412,172,298,702.96/775,269.20
  6. Step 6: Final answer
    x = 531,650.55

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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.