Home / 718,832.89-1,078,064.80-213,274.27

Finding the Fourth Proportional to 718,832.89, 1,078,064.80 and 213,274.27

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Solution

The fourth proportional to 718,832.89, 1,078,064.80 and 213,274.27 is: 319,856.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,832.89 : 1,078,064.80 = 213,274.27 : x
  2. Step 2: Convert to fraction form
    718,832.89/1,078,064.80 = 213,274.27/x
  3. Step 3: Cross multiply
    718,832.89x = 1,078,064.80 × 213,274.27
  4. Step 4: Simplify right side
    718,832.89x = 229,923,477,842.37
  5. Step 5: Solve for x
    x = 229,923,477,842.37/718,832.89
  6. Step 6: Final answer
    x = 319,856.65

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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.