Home / 852,021.34-1,278,297.18-252,985.64

Finding the Fourth Proportional to 852,021.34, 1,278,297.18 and 252,985.64

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Solution

The fourth proportional to 852,021.34, 1,278,297.18 and 252,985.64 is: 379,557.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,021.34 : 1,278,297.18 = 252,985.64 : x
  2. Step 2: Convert to fraction form
    852,021.34/1,278,297.18 = 252,985.64/x
  3. Step 3: Cross multiply
    852,021.34x = 1,278,297.18 × 252,985.64
  4. Step 4: Simplify right side
    852,021.34x = 323,390,823,801.01
  5. Step 5: Solve for x
    x = 323,390,823,801.01/852,021.34
  6. Step 6: Final answer
    x = 379,557.19

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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.