Home / 515,557.72-773,086.56-302,395.29

Finding the Fourth Proportional to 515,557.72, 773,086.56 and 302,395.29

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Solution

The fourth proportional to 515,557.72, 773,086.56 and 302,395.29 is: 453,446.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,557.72 : 773,086.56 = 302,395.29 : x
  2. Step 2: Convert to fraction form
    515,557.72/773,086.56 = 302,395.29/x
  3. Step 3: Cross multiply
    515,557.72x = 773,086.56 × 302,395.29
  4. Step 4: Simplify right side
    515,557.72x = 233,777,734,506.30
  5. Step 5: Solve for x
    x = 233,777,734,506.30/515,557.72
  6. Step 6: Final answer
    x = 453,446.29

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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.