Home / 529,619.80-794,138.10-213,719.80

Finding the Fourth Proportional to 529,619.80, 794,138.10 and 213,719.80

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Solution

The fourth proportional to 529,619.80, 794,138.10 and 213,719.80 is: 320,462.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,619.80 : 794,138.10 = 213,719.80 : x
  2. Step 2: Convert to fraction form
    529,619.80/794,138.10 = 213,719.80/x
  3. Step 3: Cross multiply
    529,619.80x = 794,138.10 × 213,719.80
  4. Step 4: Simplify right side
    529,619.80x = 169,723,035,904.38
  5. Step 5: Solve for x
    x = 169,723,035,904.38/529,619.80
  6. Step 6: Final answer
    x = 320,462.03

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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.