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Finding the Fourth Proportional to 775,591, 1,163,377.80 and 302,608.52

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Solution

The fourth proportional to 775,591, 1,163,377.80 and 302,608.52 is: 453,909.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,591 : 1,163,377.80 = 302,608.52 : x
  2. Step 2: Convert to fraction form
    775,591/1,163,377.80 = 302,608.52/x
  3. Step 3: Cross multiply
    775,591x = 1,163,377.80 × 302,608.52
  4. Step 4: Simplify right side
    775,591x = 352,048,034,258.86
  5. Step 5: Solve for x
    x = 352,048,034,258.86/775,591
  6. Step 6: Final answer
    x = 453,909.39

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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.