Home / 852,938.37-1,280,144.45-347,777.82

Finding the Fourth Proportional to 852,938.37, 1,280,144.45 and 347,777.82

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Solution

The fourth proportional to 852,938.37, 1,280,144.45 and 347,777.82 is: 521,967.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,938.37 : 1,280,144.45 = 347,777.82 : x
  2. Step 2: Convert to fraction form
    852,938.37/1,280,144.45 = 347,777.82/x
  3. Step 3: Cross multiply
    852,938.37x = 1,280,144.45 × 347,777.82
  4. Step 4: Simplify right side
    852,938.37x = 445,205,846,975.54
  5. Step 5: Solve for x
    x = 445,205,846,975.54/852,938.37
  6. Step 6: Final answer
    x = 521,967.19

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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.