Home / 852,687.69-1,279,179.29-347,523.50

Finding the Fourth Proportional to 852,687.69, 1,279,179.29 and 347,523.50

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Solution

The fourth proportional to 852,687.69, 1,279,179.29 and 347,523.50 is: 521,345.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,687.69 : 1,279,179.29 = 347,523.50 : x
  2. Step 2: Convert to fraction form
    852,687.69/1,279,179.29 = 347,523.50/x
  3. Step 3: Cross multiply
    852,687.69x = 1,279,179.29 × 347,523.50
  4. Step 4: Simplify right side
    852,687.69x = 444,544,857,158.01
  5. Step 5: Solve for x
    x = 444,544,857,158.01/852,687.69
  6. Step 6: Final answer
    x = 521,345.46

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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.