Home / 516,446.31-711,944.79-360,914.73

Finding the Fourth Proportional to 516,446.31, 711,944.79 and 360,914.73

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Solution

The fourth proportional to 516,446.31, 711,944.79 and 360,914.73 is: 497,537.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,446.31 : 711,944.79 = 360,914.73 : x
  2. Step 2: Convert to fraction form
    516,446.31/711,944.79 = 360,914.73/x
  3. Step 3: Cross multiply
    516,446.31x = 711,944.79 × 360,914.73
  4. Step 4: Simplify right side
    516,446.31x = 256,951,361,657.76
  5. Step 5: Solve for x
    x = 256,951,361,657.76/516,446.31
  6. Step 6: Final answer
    x = 497,537.41

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1.5x scale

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.