Home / 644,822.80-967,234.20-349,910.80

Finding the Fourth Proportional to 644,822.80, 967,234.20 and 349,910.80

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Solution

The fourth proportional to 644,822.80, 967,234.20 and 349,910.80 is: 524,866.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,822.80 : 967,234.20 = 349,910.80 : x
  2. Step 2: Convert to fraction form
    644,822.80/967,234.20 = 349,910.80/x
  3. Step 3: Cross multiply
    644,822.80x = 967,234.20 × 349,910.80
  4. Step 4: Simplify right side
    644,822.80x = 338,445,692,709.36
  5. Step 5: Solve for x
    x = 338,445,692,709.36/644,822.80
  6. Step 6: Final answer
    x = 524,866.20

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Double scale
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Similar ratio
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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.