Home / 774,910.62-1,162,364.31-213,943.50

Finding the Fourth Proportional to 774,910.62, 1,162,364.31 and 213,943.50

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Solution

The fourth proportional to 774,910.62, 1,162,364.31 and 213,943.50 is: 320,914.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,910.62 : 1,162,364.31 = 213,943.50 : x
  2. Step 2: Convert to fraction form
    774,910.62/1,162,364.31 = 213,943.50/x
  3. Step 3: Cross multiply
    774,910.62x = 1,162,364.31 × 213,943.50
  4. Step 4: Simplify right side
    774,910.62x = 248,680,288,756.49
  5. Step 5: Solve for x
    x = 248,680,288,756.49/774,910.62
  6. Step 6: Final answer
    x = 320,914.80

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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.