Home / 901,409.67-1,243,943.06-538,815.87

Finding the Fourth Proportional to 901,409.67, 1,243,943.06 and 538,815.87

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Solution

The fourth proportional to 901,409.67, 1,243,943.06 and 538,815.87 is: 743,564.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,409.67 : 1,243,943.06 = 538,815.87 : x
  2. Step 2: Convert to fraction form
    901,409.67/1,243,943.06 = 538,815.87/x
  3. Step 3: Cross multiply
    901,409.67x = 1,243,943.06 × 538,815.87
  4. Step 4: Simplify right side
    901,409.67x = 670,256,259,410.28
  5. Step 5: Solve for x
    x = 670,256,259,410.28/901,409.67
  6. Step 6: Final answer
    x = 743,564.53

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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.