Home / 852,975.51-1,279,035.42-284,156.64

Finding the Fourth Proportional to 852,975.51, 1,279,035.42 and 284,156.64

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Solution

The fourth proportional to 852,975.51, 1,279,035.42 and 284,156.64 is: 426,092.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,975.51 : 1,279,035.42 = 284,156.64 : x
  2. Step 2: Convert to fraction form
    852,975.51/1,279,035.42 = 284,156.64/x
  3. Step 3: Cross multiply
    852,975.51x = 1,279,035.42 × 284,156.64
  4. Step 4: Simplify right side
    852,975.51x = 363,446,407,388.19
  5. Step 5: Solve for x
    x = 363,446,407,388.19/852,975.51
  6. Step 6: Final answer
    x = 426,092.43

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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.