Home / 516,463.37-712,785.98-290,152.61

Finding the Fourth Proportional to 516,463.37, 712,785.98 and 290,152.61

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Solution

The fourth proportional to 516,463.37, 712,785.98 and 290,152.61 is: 400,447.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,463.37 : 712,785.98 = 290,152.61 : x
  2. Step 2: Convert to fraction form
    516,463.37/712,785.98 = 290,152.61/x
  3. Step 3: Cross multiply
    516,463.37x = 712,785.98 × 290,152.61
  4. Step 4: Simplify right side
    516,463.37x = 206,816,709,235.68
  5. Step 5: Solve for x
    x = 206,816,709,235.68/516,463.37
  6. Step 6: Final answer
    x = 400,447.97

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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.