Home / 809,664.30-1,212,552.45-434,861.10

Finding the Fourth Proportional to 809,664.30, 1,212,552.45 and 434,861.10

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Solution

The fourth proportional to 809,664.30, 1,212,552.45 and 434,861.10 is: 651,247.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,664.30 : 1,212,552.45 = 434,861.10 : x
  2. Step 2: Convert to fraction form
    809,664.30/1,212,552.45 = 434,861.10/x
  3. Step 3: Cross multiply
    809,664.30x = 1,212,552.45 × 434,861.10
  4. Step 4: Simplify right side
    809,664.30x = 527,291,892,214.70
  5. Step 5: Solve for x
    x = 527,291,892,214.70/809,664.30
  6. Step 6: Final answer
    x = 651,247.55

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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.