Home / 852,970.38-1,279,898.36-347,901.90

Finding the Fourth Proportional to 852,970.38, 1,279,898.36 and 347,901.90

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Solution

The fourth proportional to 852,970.38, 1,279,898.36 and 347,901.90 is: 522,033.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,970.38 : 1,279,898.36 = 347,901.90 : x
  2. Step 2: Convert to fraction form
    852,970.38/1,279,898.36 = 347,901.90/x
  3. Step 3: Cross multiply
    852,970.38x = 1,279,898.36 × 347,901.90
  4. Step 4: Simplify right side
    852,970.38x = 445,279,071,250.88
  5. Step 5: Solve for x
    x = 445,279,071,250.88/852,970.38
  6. Step 6: Final answer
    x = 522,033.45

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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.