Home / 775,956.45-1,163,983.87-243,498.49

Finding the Fourth Proportional to 775,956.45, 1,163,983.87 and 243,498.49

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Solution

The fourth proportional to 775,956.45, 1,163,983.87 and 243,498.49 is: 365,263.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,956.45 : 1,163,983.87 = 243,498.49 : x
  2. Step 2: Convert to fraction form
    775,956.45/1,163,983.87 = 243,498.49/x
  3. Step 3: Cross multiply
    775,956.45x = 1,163,983.87 × 243,498.49
  4. Step 4: Simplify right side
    775,956.45x = 283,428,314,729.36
  5. Step 5: Solve for x
    x = 283,428,314,729.36/775,956.45
  6. Step 6: Final answer
    x = 365,263.17

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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.