Home / 644,919.30-967,388.40-245,582.15

Finding the Fourth Proportional to 644,919.30, 967,388.40 and 245,582.15

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Solution

The fourth proportional to 644,919.30, 967,388.40 and 245,582.15 is: 368,376.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,919.30 : 967,388.40 = 245,582.15 : x
  2. Step 2: Convert to fraction form
    644,919.30/967,388.40 = 245,582.15/x
  3. Step 3: Cross multiply
    644,919.30x = 967,388.40 × 245,582.15
  4. Step 4: Simplify right side
    644,919.30x = 237,573,318,320.12
  5. Step 5: Solve for x
    x = 237,573,318,320.12/644,919.30
  6. Step 6: Final answer
    x = 368,376.82

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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.