Home / 793,542.15-1,189,833.57-319,674.06

Finding the Fourth Proportional to 793,542.15, 1,189,833.57 and 319,674.06

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Solution

The fourth proportional to 793,542.15, 1,189,833.57 and 319,674.06 is: 479,317.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,542.15 : 1,189,833.57 = 319,674.06 : x
  2. Step 2: Convert to fraction form
    793,542.15/1,189,833.57 = 319,674.06/x
  3. Step 3: Cross multiply
    793,542.15x = 1,189,833.57 × 319,674.06
  4. Step 4: Simplify right side
    793,542.15x = 380,358,928,046.19
  5. Step 5: Solve for x
    x = 380,358,928,046.19/793,542.15
  6. Step 6: Final answer
    x = 479,317.86

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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.