Home / 778,811.76-1,167,770.52-304,942.32

Finding the Fourth Proportional to 778,811.76, 1,167,770.52 and 304,942.32

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Solution

The fourth proportional to 778,811.76, 1,167,770.52 and 304,942.32 is: 457,238.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,811.76 : 1,167,770.52 = 304,942.32 : x
  2. Step 2: Convert to fraction form
    778,811.76/1,167,770.52 = 304,942.32/x
  3. Step 3: Cross multiply
    778,811.76x = 1,167,770.52 × 304,942.32
  4. Step 4: Simplify right side
    778,811.76x = 356,102,651,596.41
  5. Step 5: Solve for x
    x = 356,102,651,596.41/778,811.76
  6. Step 6: Final answer
    x = 457,238.41

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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.