Home / 789,958.48-1,185,060.60-257,355.52

Finding the Fourth Proportional to 789,958.48, 1,185,060.60 and 257,355.52

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Solution

The fourth proportional to 789,958.48, 1,185,060.60 and 257,355.52 is: 386,073.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,958.48 : 1,185,060.60 = 257,355.52 : x
  2. Step 2: Convert to fraction form
    789,958.48/1,185,060.60 = 257,355.52/x
  3. Step 3: Cross multiply
    789,958.48x = 1,185,060.60 × 257,355.52
  4. Step 4: Simplify right side
    789,958.48x = 304,981,886,944.51
  5. Step 5: Solve for x
    x = 304,981,886,944.51/789,958.48
  6. Step 6: Final answer
    x = 386,073.31

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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.