Home / 686,892.24-1,030,513.32-213,581.70

Finding the Fourth Proportional to 686,892.24, 1,030,513.32 and 213,581.70

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Solution

The fourth proportional to 686,892.24, 1,030,513.32 and 213,581.70 is: 320,426.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,892.24 : 1,030,513.32 = 213,581.70 : x
  2. Step 2: Convert to fraction form
    686,892.24/1,030,513.32 = 213,581.70/x
  3. Step 3: Cross multiply
    686,892.24x = 1,030,513.32 × 213,581.70
  4. Step 4: Simplify right side
    686,892.24x = 220,098,786,758.24
  5. Step 5: Solve for x
    x = 220,098,786,758.24/686,892.24
  6. Step 6: Final answer
    x = 320,426.95

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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.