Home / 842,102.52-1,162,101.78-454,918.08

Finding the Fourth Proportional to 842,102.52, 1,162,101.78 and 454,918.08

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Solution

The fourth proportional to 842,102.52, 1,162,101.78 and 454,918.08 is: 627,787.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,102.52 : 1,162,101.78 = 454,918.08 : x
  2. Step 2: Convert to fraction form
    842,102.52/1,162,101.78 = 454,918.08/x
  3. Step 3: Cross multiply
    842,102.52x = 1,162,101.78 × 454,918.08
  4. Step 4: Simplify right side
    842,102.52x = 528,661,110,522.18
  5. Step 5: Solve for x
    x = 528,661,110,522.18/842,102.52
  6. Step 6: Final answer
    x = 627,787.11

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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.