Home / 821,472.57-1,232,243.01-282,099.51

Finding the Fourth Proportional to 821,472.57, 1,232,243.01 and 282,099.51

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Solution

The fourth proportional to 821,472.57, 1,232,243.01 and 282,099.51 is: 423,160.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,472.57 : 1,232,243.01 = 282,099.51 : x
  2. Step 2: Convert to fraction form
    821,472.57/1,232,243.01 = 282,099.51/x
  3. Step 3: Cross multiply
    821,472.57x = 1,232,243.01 × 282,099.51
  4. Step 4: Simplify right side
    821,472.57x = 347,615,149,321.93
  5. Step 5: Solve for x
    x = 347,615,149,321.93/821,472.57
  6. Step 6: Final answer
    x = 423,160.99

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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.