Home / 817,388.31-1,226,258.94-248,813.87

Finding the Fourth Proportional to 817,388.31, 1,226,258.94 and 248,813.87

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Solution

The fourth proportional to 817,388.31, 1,226,258.94 and 248,813.87 is: 373,274.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,388.31 : 1,226,258.94 = 248,813.87 : x
  2. Step 2: Convert to fraction form
    817,388.31/1,226,258.94 = 248,813.87/x
  3. Step 3: Cross multiply
    817,388.31x = 1,226,258.94 × 248,813.87
  4. Step 4: Simplify right side
    817,388.31x = 305,110,226,352.20
  5. Step 5: Solve for x
    x = 305,110,226,352.20/817,388.31
  6. Step 6: Final answer
    x = 373,274.52

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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.