Home / 646,035.04-969,141.21-219,456.34

Finding the Fourth Proportional to 646,035.04, 969,141.21 and 219,456.34

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Solution

The fourth proportional to 646,035.04, 969,141.21 and 219,456.34 is: 329,214.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,035.04 : 969,141.21 = 219,456.34 : x
  2. Step 2: Convert to fraction form
    646,035.04/969,141.21 = 219,456.34/x
  3. Step 3: Cross multiply
    646,035.04x = 969,141.21 × 219,456.34
  4. Step 4: Simplify right side
    646,035.04x = 212,684,179,643.96
  5. Step 5: Solve for x
    x = 212,684,179,643.96/646,035.04
  6. Step 6: Final answer
    x = 329,214.62

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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.