Home / 781,329.54-1,172,216.21-248,891.64

Finding the Fourth Proportional to 781,329.54, 1,172,216.21 and 248,891.64

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Solution

The fourth proportional to 781,329.54, 1,172,216.21 and 248,891.64 is: 373,408.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,329.54 : 1,172,216.21 = 248,891.64 : x
  2. Step 2: Convert to fraction form
    781,329.54/1,172,216.21 = 248,891.64/x
  3. Step 3: Cross multiply
    781,329.54x = 1,172,216.21 × 248,891.64
  4. Step 4: Simplify right side
    781,329.54x = 291,754,809,301.22
  5. Step 5: Solve for x
    x = 291,754,809,301.22/781,329.54
  6. Step 6: Final answer
    x = 373,408.14

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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.