Home / 718,908.48-1,078,410.24-298,218.24

Finding the Fourth Proportional to 718,908.48, 1,078,410.24 and 298,218.24

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Solution

The fourth proportional to 718,908.48, 1,078,410.24 and 298,218.24 is: 447,347.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,908.48 : 1,078,410.24 = 298,218.24 : x
  2. Step 2: Convert to fraction form
    718,908.48/1,078,410.24 = 298,218.24/x
  3. Step 3: Cross multiply
    718,908.48x = 1,078,410.24 × 298,218.24
  4. Step 4: Simplify right side
    718,908.48x = 321,601,603,770.78
  5. Step 5: Solve for x
    x = 321,601,603,770.78/718,908.48
  6. Step 6: Final answer
    x = 447,347.07

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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.