Home / 852,812.57-1,277,179.48-491,889.29

Finding the Fourth Proportional to 852,812.57, 1,277,179.48 and 491,889.29

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Solution

The fourth proportional to 852,812.57, 1,277,179.48 and 491,889.29 is: 736,657.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,812.57 : 1,277,179.48 = 491,889.29 : x
  2. Step 2: Convert to fraction form
    852,812.57/1,277,179.48 = 491,889.29/x
  3. Step 3: Cross multiply
    852,812.57x = 1,277,179.48 × 491,889.29
  4. Step 4: Simplify right side
    852,812.57x = 628,230,907,619.77
  5. Step 5: Solve for x
    x = 628,230,907,619.77/852,812.57
  6. Step 6: Final answer
    x = 736,657.65

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Double scale
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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.