Home / 775,539.10-1,163,339.94-270,151.20

Finding the Fourth Proportional to 775,539.10, 1,163,339.94 and 270,151.20

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Solution

The fourth proportional to 775,539.10, 1,163,339.94 and 270,151.20 is: 405,237.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,539.10 : 1,163,339.94 = 270,151.20 : x
  2. Step 2: Convert to fraction form
    775,539.10/1,163,339.94 = 270,151.20/x
  3. Step 3: Cross multiply
    775,539.10x = 1,163,339.94 × 270,151.20
  4. Step 4: Simplify right side
    775,539.10x = 314,277,673,631.47
  5. Step 5: Solve for x
    x = 314,277,673,631.47/775,539.10
  6. Step 6: Final answer
    x = 405,237.69

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Double scale
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Similar ratio
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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.