Home / 943,969.24-1,415,005.83-303,802.55

Finding the Fourth Proportional to 943,969.24, 1,415,005.83 and 303,802.55

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Solution

The fourth proportional to 943,969.24, 1,415,005.83 and 303,802.55 is: 455,398.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,969.24 : 1,415,005.83 = 303,802.55 : x
  2. Step 2: Convert to fraction form
    943,969.24/1,415,005.83 = 303,802.55/x
  3. Step 3: Cross multiply
    943,969.24x = 1,415,005.83 × 303,802.55
  4. Step 4: Simplify right side
    943,969.24x = 429,882,378,504.55
  5. Step 5: Solve for x
    x = 429,882,378,504.55/943,969.24
  6. Step 6: Final answer
    x = 455,398.71

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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.