Home / 499,849.41-689,775.03-285,058.62

Finding the Fourth Proportional to 499,849.41, 689,775.03 and 285,058.62

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Solution

The fourth proportional to 499,849.41, 689,775.03 and 285,058.62 is: 393,371.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    499,849.41 : 689,775.03 = 285,058.62 : x
  2. Step 2: Convert to fraction form
    499,849.41/689,775.03 = 285,058.62/x
  3. Step 3: Cross multiply
    499,849.41x = 689,775.03 × 285,058.62
  4. Step 4: Simplify right side
    499,849.41x = 196,626,318,162.26
  5. Step 5: Solve for x
    x = 196,626,318,162.26/499,849.41
  6. Step 6: Final answer
    x = 393,371.11

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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.