Home / 777,488.76-1,166,251.59-208,870.58

Finding the Fourth Proportional to 777,488.76, 1,166,251.59 and 208,870.58

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Solution

The fourth proportional to 777,488.76, 1,166,251.59 and 208,870.58 is: 313,310.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,488.76 : 1,166,251.59 = 208,870.58 : x
  2. Step 2: Convert to fraction form
    777,488.76/1,166,251.59 = 208,870.58/x
  3. Step 3: Cross multiply
    777,488.76x = 1,166,251.59 × 208,870.58
  4. Step 4: Simplify right side
    777,488.76x = 243,595,649,467.03
  5. Step 5: Solve for x
    x = 243,595,649,467.03/777,488.76
  6. Step 6: Final answer
    x = 313,310.83

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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.