Home / 618,455.43-927,904.28-381,522.33

Finding the Fourth Proportional to 618,455.43, 927,904.28 and 381,522.33

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Solution

The fourth proportional to 618,455.43, 927,904.28 and 381,522.33 is: 572,419.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,455.43 : 927,904.28 = 381,522.33 : x
  2. Step 2: Convert to fraction form
    618,455.43/927,904.28 = 381,522.33/x
  3. Step 3: Cross multiply
    618,455.43x = 927,904.28 × 381,522.33
  4. Step 4: Simplify right side
    618,455.43x = 354,016,201,014.96
  5. Step 5: Solve for x
    x = 354,016,201,014.96/618,455.43
  6. Step 6: Final answer
    x = 572,419.91

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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.