Home / 715,346.88-1,073,186.28-209,887.44

Finding the Fourth Proportional to 715,346.88, 1,073,186.28 and 209,887.44

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Solution

The fourth proportional to 715,346.88, 1,073,186.28 and 209,887.44 is: 314,879.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    715,346.88 : 1,073,186.28 = 209,887.44 : x
  2. Step 2: Convert to fraction form
    715,346.88/1,073,186.28 = 209,887.44/x
  3. Step 3: Cross multiply
    715,346.88x = 1,073,186.28 × 209,887.44
  4. Step 4: Simplify right side
    715,346.88x = 225,248,320,952.32
  5. Step 5: Solve for x
    x = 225,248,320,952.32/715,346.88
  6. Step 6: Final answer
    x = 314,879.85

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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.