Home / 824,967.05-1,237,456.04-319,584.15

Finding the Fourth Proportional to 824,967.05, 1,237,456.04 and 319,584.15

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Solution

The fourth proportional to 824,967.05, 1,237,456.04 and 319,584.15 is: 479,378.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,967.05 : 1,237,456.04 = 319,584.15 : x
  2. Step 2: Convert to fraction form
    824,967.05/1,237,456.04 = 319,584.15/x
  3. Step 3: Cross multiply
    824,967.05x = 1,237,456.04 × 319,584.15
  4. Step 4: Simplify right side
    824,967.05x = 395,471,335,107.85
  5. Step 5: Solve for x
    x = 395,471,335,107.85/824,967.05
  6. Step 6: Final answer
    x = 479,378.34

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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.