Home / 852,172.70-1,278,257.54-496,937.61

Finding the Fourth Proportional to 852,172.70, 1,278,257.54 and 496,937.61

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Solution

The fourth proportional to 852,172.70, 1,278,257.54 and 496,937.61 is: 745,405.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,172.70 : 1,278,257.54 = 496,937.61 : x
  2. Step 2: Convert to fraction form
    852,172.70/1,278,257.54 = 496,937.61/x
  3. Step 3: Cross multiply
    852,172.70x = 1,278,257.54 × 496,937.61
  4. Step 4: Simplify right side
    852,172.70x = 635,214,244,407.39
  5. Step 5: Solve for x
    x = 635,214,244,407.39/852,172.70
  6. Step 6: Final answer
    x = 745,405.54

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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.