Home / 958,958.76-1,438,724.34-285,062.52

Finding the Fourth Proportional to 958,958.76, 1,438,724.34 and 285,062.52

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Solution

The fourth proportional to 958,958.76, 1,438,724.34 and 285,062.52 is: 427,678.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,958.76 : 1,438,724.34 = 285,062.52 : x
  2. Step 2: Convert to fraction form
    958,958.76/1,438,724.34 = 285,062.52/x
  3. Step 3: Cross multiply
    958,958.76x = 1,438,724.34 × 285,062.52
  4. Step 4: Simplify right side
    958,958.76x = 410,126,385,945.74
  5. Step 5: Solve for x
    x = 410,126,385,945.74/958,958.76
  6. Step 6: Final answer
    x = 427,678.86

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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.