Home / 851,755.92-1,276,059.22-430,024.56

Finding the Fourth Proportional to 851,755.92, 1,276,059.22 and 430,024.56

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Solution

The fourth proportional to 851,755.92, 1,276,059.22 and 430,024.56 is: 644,241.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,755.92 : 1,276,059.22 = 430,024.56 : x
  2. Step 2: Convert to fraction form
    851,755.92/1,276,059.22 = 430,024.56/x
  3. Step 3: Cross multiply
    851,755.92x = 1,276,059.22 × 430,024.56
  4. Step 4: Simplify right side
    851,755.92x = 548,736,804,614.44
  5. Step 5: Solve for x
    x = 548,736,804,614.44/851,755.92
  6. Step 6: Final answer
    x = 644,241.84

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1.5x scale

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.