Home / 718,670.14-1,078,189.92-269,397.16

Finding the Fourth Proportional to 718,670.14, 1,078,189.92 and 269,397.16

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Solution

The fourth proportional to 718,670.14, 1,078,189.92 and 269,397.16 is: 404,164.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    718,670.14 : 1,078,189.92 = 269,397.16 : x
  2. Step 2: Convert to fraction form
    718,670.14/1,078,189.92 = 269,397.16/x
  3. Step 3: Cross multiply
    718,670.14x = 1,078,189.92 × 269,397.16
  4. Step 4: Simplify right side
    718,670.14x = 290,461,302,388.63
  5. Step 5: Solve for x
    x = 290,461,302,388.63/718,670.14
  6. Step 6: Final answer
    x = 404,164.98

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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.