Home / 774,749.44-1,162,191.12-213,783.94

Finding the Fourth Proportional to 774,749.44, 1,162,191.12 and 213,783.94

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Solution

The fourth proportional to 774,749.44, 1,162,191.12 and 213,783.94 is: 320,694.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,749.44 : 1,162,191.12 = 213,783.94 : x
  2. Step 2: Convert to fraction form
    774,749.44/1,162,191.12 = 213,783.94/x
  3. Step 3: Cross multiply
    774,749.44x = 1,162,191.12 × 213,783.94
  4. Step 4: Simplify right side
    774,749.44x = 248,457,796,666.61
  5. Step 5: Solve for x
    x = 248,457,796,666.61/774,749.44
  6. Step 6: Final answer
    x = 320,694.39

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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.