Home / 644,008.66-966,016.32-377,582.34

Finding the Fourth Proportional to 644,008.66, 966,016.32 and 377,582.34

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Solution

The fourth proportional to 644,008.66, 966,016.32 and 377,582.34 is: 566,375.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,008.66 : 966,016.32 = 377,582.34 : x
  2. Step 2: Convert to fraction form
    644,008.66/966,016.32 = 377,582.34/x
  3. Step 3: Cross multiply
    644,008.66x = 966,016.32 × 377,582.34
  4. Step 4: Simplify right side
    644,008.66x = 364,750,702,583.79
  5. Step 5: Solve for x
    x = 364,750,702,583.79/644,008.66
  6. Step 6: Final answer
    x = 566,375.46

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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.