Home / 793,109.52-1,189,719.36-319,799.52

Finding the Fourth Proportional to 793,109.52, 1,189,719.36 and 319,799.52

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Solution

The fourth proportional to 793,109.52, 1,189,719.36 and 319,799.52 is: 479,721.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    793,109.52 : 1,189,719.36 = 319,799.52 : x
  2. Step 2: Convert to fraction form
    793,109.52/1,189,719.36 = 319,799.52/x
  3. Step 3: Cross multiply
    793,109.52x = 1,189,719.36 × 319,799.52
  4. Step 4: Simplify right side
    793,109.52x = 380,471,680,262.71
  5. Step 5: Solve for x
    x = 380,471,680,262.71/793,109.52
  6. Step 6: Final answer
    x = 479,721.49

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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.