Home / 516,623.40-774,618.12-200,711.52

Finding the Fourth Proportional to 516,623.40, 774,618.12 and 200,711.52

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Solution

The fourth proportional to 516,623.40, 774,618.12 and 200,711.52 is: 300,944.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,623.40 : 774,618.12 = 200,711.52 : x
  2. Step 2: Convert to fraction form
    516,623.40/774,618.12 = 200,711.52/x
  3. Step 3: Cross multiply
    516,623.40x = 774,618.12 × 200,711.52
  4. Step 4: Simplify right side
    516,623.40x = 155,474,780,284.74
  5. Step 5: Solve for x
    x = 155,474,780,284.74/516,623.40
  6. Step 6: Final answer
    x = 300,944.13

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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.