Home / 718,839.14-1,078,074.18-213,280.52

Finding the Fourth Proportional to 718,839.14, 1,078,074.18 and 213,280.52

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Solution

The fourth proportional to 718,839.14, 1,078,074.18 and 213,280.52 is: 319,866.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,839.14 : 1,078,074.18 = 213,280.52 : x
  2. Step 2: Convert to fraction form
    718,839.14/1,078,074.18 = 213,280.52/x
  3. Step 3: Cross multiply
    718,839.14x = 1,078,074.18 × 213,280.52
  4. Step 4: Simplify right side
    718,839.14x = 229,932,216,318.60
  5. Step 5: Solve for x
    x = 229,932,216,318.60/718,839.14
  6. Step 6: Final answer
    x = 319,866.02

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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.