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Finding the Fourth Proportional to 567,681.92, 783,372.24 and 322,660.22

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Solution

The fourth proportional to 567,681.92, 783,372.24 and 322,660.22 is: 445,254.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,681.92 : 783,372.24 = 322,660.22 : x
  2. Step 2: Convert to fraction form
    567,681.92/783,372.24 = 322,660.22/x
  3. Step 3: Cross multiply
    567,681.92x = 783,372.24 × 322,660.22
  4. Step 4: Simplify right side
    567,681.92x = 252,763,059,300.29
  5. Step 5: Solve for x
    x = 252,763,059,300.29/567,681.92
  6. Step 6: Final answer
    x = 445,254.73

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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.