Home / 718,611.20-1,077,732.94-213,053.96

Finding the Fourth Proportional to 718,611.20, 1,077,732.94 and 213,053.96

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Solution

The fourth proportional to 718,611.20, 1,077,732.94 and 213,053.96 is: 319,526.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,611.20 : 1,077,732.94 = 213,053.96 : x
  2. Step 2: Convert to fraction form
    718,611.20/1,077,732.94 = 213,053.96/x
  3. Step 3: Cross multiply
    718,611.20x = 1,077,732.94 × 213,053.96
  4. Step 4: Simplify right side
    718,611.20x = 229,615,270,689.44
  5. Step 5: Solve for x
    x = 229,615,270,689.44/718,611.20
  6. Step 6: Final answer
    x = 319,526.43

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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.