Home / 516,983.31-713,501.06-290,628.81

Finding the Fourth Proportional to 516,983.31, 713,501.06 and 290,628.81

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Solution

The fourth proportional to 516,983.31, 713,501.06 and 290,628.81 is: 401,103.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,983.31 : 713,501.06 = 290,628.81 : x
  2. Step 2: Convert to fraction form
    516,983.31/713,501.06 = 290,628.81/x
  3. Step 3: Cross multiply
    516,983.31x = 713,501.06 × 290,628.81
  4. Step 4: Simplify right side
    516,983.31x = 207,363,962,548.40
  5. Step 5: Solve for x
    x = 207,363,962,548.40/516,983.31
  6. Step 6: Final answer
    x = 401,103.79

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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.