Home / 644,181.72-965,875.71-217,677.24

Finding the Fourth Proportional to 644,181.72, 965,875.71 and 217,677.24

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Solution

The fourth proportional to 644,181.72, 965,875.71 and 217,677.24 is: 326,381.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,181.72 : 965,875.71 = 217,677.24 : x
  2. Step 2: Convert to fraction form
    644,181.72/965,875.71 = 217,677.24/x
  3. Step 3: Cross multiply
    644,181.72x = 965,875.71 × 217,677.24
  4. Step 4: Simplify right side
    644,181.72x = 210,249,158,735.84
  5. Step 5: Solve for x
    x = 210,249,158,735.84/644,181.72
  6. Step 6: Final answer
    x = 326,381.75

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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.