Home / 938,362.31-1,296,016.14-617,504.81

Finding the Fourth Proportional to 938,362.31, 1,296,016.14 and 617,504.81

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Solution

The fourth proportional to 938,362.31, 1,296,016.14 and 617,504.81 is: 852,864.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,362.31 : 1,296,016.14 = 617,504.81 : x
  2. Step 2: Convert to fraction form
    938,362.31/1,296,016.14 = 617,504.81/x
  3. Step 3: Cross multiply
    938,362.31x = 1,296,016.14 × 617,504.81
  4. Step 4: Simplify right side
    938,362.31x = 800,296,193,807.55
  5. Step 5: Solve for x
    x = 800,296,193,807.55/938,362.31
  6. Step 6: Final answer
    x = 852,864.82

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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.