Home / 821,425.92-1,132,940.16-567,202.56

Finding the Fourth Proportional to 821,425.92, 1,132,940.16 and 567,202.56

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Solution

The fourth proportional to 821,425.92, 1,132,940.16 and 567,202.56 is: 782,306.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    821,425.92 : 1,132,940.16 = 567,202.56 : x
  2. Step 2: Convert to fraction form
    821,425.92/1,132,940.16 = 567,202.56/x
  3. Step 3: Cross multiply
    821,425.92x = 1,132,940.16 × 567,202.56
  4. Step 4: Simplify right side
    821,425.92x = 642,606,559,078.81
  5. Step 5: Solve for x
    x = 642,606,559,078.81/821,425.92
  6. Step 6: Final answer
    x = 782,306.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.