Home / 516,019.26-712,087.04-286,591.31

Finding the Fourth Proportional to 516,019.26, 712,087.04 and 286,591.31

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Solution

The fourth proportional to 516,019.26, 712,087.04 and 286,591.31 is: 395,485.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,019.26 : 712,087.04 = 286,591.31 : x
  2. Step 2: Convert to fraction form
    516,019.26/712,087.04 = 286,591.31/x
  3. Step 3: Cross multiply
    516,019.26x = 712,087.04 × 286,591.31
  4. Step 4: Simplify right side
    516,019.26x = 204,077,958,691.36
  5. Step 5: Solve for x
    x = 204,077,958,691.36/516,019.26
  6. Step 6: Final answer
    x = 395,485.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.