Home / 836,631-1,154,558.19-454,657.80

Finding the Fourth Proportional to 836,631, 1,154,558.19 and 454,657.80

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Solution

The fourth proportional to 836,631, 1,154,558.19 and 454,657.80 is: 627,431.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,631 : 1,154,558.19 = 454,657.80 : x
  2. Step 2: Convert to fraction form
    836,631/1,154,558.19 = 454,657.80/x
  3. Step 3: Cross multiply
    836,631x = 1,154,558.19 × 454,657.80
  4. Step 4: Simplify right side
    836,631x = 524,928,886,637.38
  5. Step 5: Solve for x
    x = 524,928,886,637.38/836,631
  6. Step 6: Final answer
    x = 627,431.79

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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.