Home / 644,948.72-967,424.16-245,497.76

Finding the Fourth Proportional to 644,948.72, 967,424.16 and 245,497.76

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Solution

The fourth proportional to 644,948.72, 967,424.16 and 245,497.76 is: 368,247.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,948.72 : 967,424.16 = 245,497.76 : x
  2. Step 2: Convert to fraction form
    644,948.72/967,424.16 = 245,497.76/x
  3. Step 3: Cross multiply
    644,948.72x = 967,424.16 × 245,497.76
  4. Step 4: Simplify right side
    644,948.72x = 237,500,464,249.88
  5. Step 5: Solve for x
    x = 237,500,464,249.88/644,948.72
  6. Step 6: Final answer
    x = 368,247.05

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Half scale
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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.