Home / 718,834.14-1,078,066.68-213,275.52

Finding the Fourth Proportional to 718,834.14, 1,078,066.68 and 213,275.52

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Solution

The fourth proportional to 718,834.14, 1,078,066.68 and 213,275.52 is: 319,858.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,834.14 : 1,078,066.68 = 213,275.52 : x
  2. Step 2: Convert to fraction form
    718,834.14/1,078,066.68 = 213,275.52/x
  3. Step 3: Cross multiply
    718,834.14x = 1,078,066.68 × 213,275.52
  4. Step 4: Simplify right side
    718,834.14x = 229,925,231,771.67
  5. Step 5: Solve for x
    x = 229,925,231,771.67/718,834.14
  6. Step 6: Final answer
    x = 319,858.53

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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.