Home / 824,666.37-1,236,609.67-319,463.97

Finding the Fourth Proportional to 824,666.37, 1,236,609.67 and 319,463.97

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Solution

The fourth proportional to 824,666.37, 1,236,609.67 and 319,463.97 is: 479,044.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,666.37 : 1,236,609.67 = 319,463.97 : x
  2. Step 2: Convert to fraction form
    824,666.37/1,236,609.67 = 319,463.97/x
  3. Step 3: Cross multiply
    824,666.37x = 1,236,609.67 × 319,463.97
  4. Step 4: Simplify right side
    824,666.37x = 395,052,226,738.22
  5. Step 5: Solve for x
    x = 395,052,226,738.22/824,666.37
  6. Step 6: Final answer
    x = 479,044.91

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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.