Home / 959,326.93-1,438,739.70-285,226.71

Finding the Fourth Proportional to 959,326.93, 1,438,739.70 and 285,226.71

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Solution

The fourth proportional to 959,326.93, 1,438,739.70 and 285,226.71 is: 427,765.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,326.93 : 1,438,739.70 = 285,226.71 : x
  2. Step 2: Convert to fraction form
    959,326.93/1,438,739.70 = 285,226.71/x
  3. Step 3: Cross multiply
    959,326.93x = 1,438,739.70 × 285,226.71
  4. Step 4: Simplify right side
    959,326.93x = 410,366,991,177.39
  5. Step 5: Solve for x
    x = 410,366,991,177.39/959,326.93
  6. Step 6: Final answer
    x = 427,765.53

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1.5x scale

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.