Home / 774,749.94-1,162,191.87-213,784.44

Finding the Fourth Proportional to 774,749.94, 1,162,191.87 and 213,784.44

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Solution

The fourth proportional to 774,749.94, 1,162,191.87 and 213,784.44 is: 320,695.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,749.94 : 1,162,191.87 = 213,784.44 : x
  2. Step 2: Convert to fraction form
    774,749.94/1,162,191.87 = 213,784.44/x
  3. Step 3: Cross multiply
    774,749.94x = 1,162,191.87 × 213,784.44
  4. Step 4: Simplify right side
    774,749.94x = 248,458,538,100.50
  5. Step 5: Solve for x
    x = 248,458,538,100.50/774,749.94
  6. Step 6: Final answer
    x = 320,695.14

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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.