Home / 901,384.83-1,243,908.99-538,791.12

Finding the Fourth Proportional to 901,384.83, 1,243,908.99 and 538,791.12

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Solution

The fourth proportional to 901,384.83, 1,243,908.99 and 538,791.12 is: 743,530.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,384.83 : 1,243,908.99 = 538,791.12 : x
  2. Step 2: Convert to fraction form
    901,384.83/1,243,908.99 = 538,791.12/x
  3. Step 3: Cross multiply
    901,384.83x = 1,243,908.99 × 538,791.12
  4. Step 4: Simplify right side
    901,384.83x = 670,207,117,900.17
  5. Step 5: Solve for x
    x = 670,207,117,900.17/901,384.83
  6. Step 6: Final answer
    x = 743,530.51

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.