Home / 718,613.20-1,077,735.94-213,055.96

Finding the Fourth Proportional to 718,613.20, 1,077,735.94 and 213,055.96

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Solution

The fourth proportional to 718,613.20, 1,077,735.94 and 213,055.96 is: 319,529.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,613.20 : 1,077,735.94 = 213,055.96 : x
  2. Step 2: Convert to fraction form
    718,613.20/1,077,735.94 = 213,055.96/x
  3. Step 3: Cross multiply
    718,613.20x = 1,077,735.94 × 213,055.96
  4. Step 4: Simplify right side
    718,613.20x = 229,618,065,323.20
  5. Step 5: Solve for x
    x = 229,618,065,323.20/718,613.20
  6. Step 6: Final answer
    x = 319,529.43

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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.