Home / 774,491.75-1,162,192.71-325,178.07

Finding the Fourth Proportional to 774,491.75, 1,162,192.71 and 325,178.07

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Solution

The fourth proportional to 774,491.75, 1,162,192.71 and 325,178.07 is: 487,958.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    774,491.75 : 1,162,192.71 = 325,178.07 : x
  2. Step 2: Convert to fraction form
    774,491.75/1,162,192.71 = 325,178.07/x
  3. Step 3: Cross multiply
    774,491.75x = 1,162,192.71 × 325,178.07
  4. Step 4: Simplify right side
    774,491.75x = 377,919,579,267.07
  5. Step 5: Solve for x
    x = 377,919,579,267.07/774,491.75
  6. Step 6: Final answer
    x = 487,958.17

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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.