Home / 821,874.29-1,232,927.24-253,301.37

Finding the Fourth Proportional to 821,874.29, 1,232,927.24 and 253,301.37

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Solution

The fourth proportional to 821,874.29, 1,232,927.24 and 253,301.37 is: 379,987.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,874.29 : 1,232,927.24 = 253,301.37 : x
  2. Step 2: Convert to fraction form
    821,874.29/1,232,927.24 = 253,301.37/x
  3. Step 3: Cross multiply
    821,874.29x = 1,232,927.24 × 253,301.37
  4. Step 4: Simplify right side
    821,874.29x = 312,302,157,735.81
  5. Step 5: Solve for x
    x = 312,302,157,735.81/821,874.29
  6. Step 6: Final answer
    x = 379,987.74

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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.