Home / 509,215.24-702,638.94-294,313.90

Finding the Fourth Proportional to 509,215.24, 702,638.94 and 294,313.90

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Solution

The fourth proportional to 509,215.24, 702,638.94 and 294,313.90 is: 406,108.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,215.24 : 702,638.94 = 294,313.90 : x
  2. Step 2: Convert to fraction form
    509,215.24/702,638.94 = 294,313.90/x
  3. Step 3: Cross multiply
    509,215.24x = 702,638.94 × 294,313.90
  4. Step 4: Simplify right side
    509,215.24x = 206,796,406,723.27
  5. Step 5: Solve for x
    x = 206,796,406,723.27/509,215.24
  6. Step 6: Final answer
    x = 406,108.05

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.