Home / 650,976.28-976,108.48-516,901.60

Finding the Fourth Proportional to 650,976.28, 976,108.48 and 516,901.60

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Solution

The fourth proportional to 650,976.28, 976,108.48 and 516,901.60 is: 775,069.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    650,976.28 : 976,108.48 = 516,901.60 : x
  2. Step 2: Convert to fraction form
    650,976.28/976,108.48 = 516,901.60/x
  3. Step 3: Cross multiply
    650,976.28x = 976,108.48 × 516,901.60
  4. Step 4: Simplify right side
    650,976.28x = 504,552,035,085.57
  5. Step 5: Solve for x
    x = 504,552,035,085.57/650,976.28
  6. Step 6: Final answer
    x = 775,069.77

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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.