Home / 516,964.56-713,475.36-290,610.24

Finding the Fourth Proportional to 516,964.56, 713,475.36 and 290,610.24

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Solution

The fourth proportional to 516,964.56, 713,475.36 and 290,610.24 is: 401,078.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,964.56 : 713,475.36 = 290,610.24 : x
  2. Step 2: Convert to fraction form
    516,964.56/713,475.36 = 290,610.24/x
  3. Step 3: Cross multiply
    516,964.56x = 713,475.36 × 290,610.24
  4. Step 4: Simplify right side
    516,964.56x = 207,343,245,603.69
  5. Step 5: Solve for x
    x = 207,343,245,603.69/516,964.56
  6. Step 6: Final answer
    x = 401,078.26

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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.