Home / 513,246.12-769,853.24-213,719.16

Finding the Fourth Proportional to 513,246.12, 769,853.24 and 213,719.16

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Solution

The fourth proportional to 513,246.12, 769,853.24 and 213,719.16 is: 320,572.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,246.12 : 769,853.24 = 213,719.16 : x
  2. Step 2: Convert to fraction form
    513,246.12/769,853.24 = 213,719.16/x
  3. Step 3: Cross multiply
    513,246.12x = 769,853.24 × 213,719.16
  4. Step 4: Simplify right side
    513,246.12x = 164,532,387,776.08
  5. Step 5: Solve for x
    x = 164,532,387,776.08/513,246.12
  6. Step 6: Final answer
    x = 320,572.10

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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.