Home / 663,115.68-994,867.61-213,827.51

Finding the Fourth Proportional to 663,115.68, 994,867.61 and 213,827.51

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Solution

The fourth proportional to 663,115.68, 994,867.61 and 213,827.51 is: 320,803.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    663,115.68 : 994,867.61 = 213,827.51 : x
  2. Step 2: Convert to fraction form
    663,115.68/994,867.61 = 213,827.51/x
  3. Step 3: Cross multiply
    663,115.68x = 994,867.61 × 213,827.51
  4. Step 4: Simplify right side
    663,115.68x = 212,730,066,847.69
  5. Step 5: Solve for x
    x = 212,730,066,847.69/663,115.68
  6. Step 6: Final answer
    x = 320,803.86

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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.