Home / 516,364.49-774,279.40-231,810.05

Finding the Fourth Proportional to 516,364.49, 774,279.40 and 231,810.05

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Solution

The fourth proportional to 516,364.49, 774,279.40 and 231,810.05 is: 347,595.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,364.49 : 774,279.40 = 231,810.05 : x
  2. Step 2: Convert to fraction form
    516,364.49/774,279.40 = 231,810.05/x
  3. Step 3: Cross multiply
    516,364.49x = 774,279.40 × 231,810.05
  4. Step 4: Simplify right side
    516,364.49x = 179,485,745,268.92
  5. Step 5: Solve for x
    x = 179,485,745,268.92/516,364.49
  6. Step 6: Final answer
    x = 347,595.06

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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.