Home / 842,172.05-1,162,200.49-460,198.87

Finding the Fourth Proportional to 842,172.05, 1,162,200.49 and 460,198.87

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Solution

The fourth proportional to 842,172.05, 1,162,200.49 and 460,198.87 is: 635,076.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,172.05 : 1,162,200.49 = 460,198.87 : x
  2. Step 2: Convert to fraction form
    842,172.05/1,162,200.49 = 460,198.87/x
  3. Step 3: Cross multiply
    842,172.05x = 1,162,200.49 × 460,198.87
  4. Step 4: Simplify right side
    842,172.05x = 534,843,348,155.45
  5. Step 5: Solve for x
    x = 534,843,348,155.45/842,172.05
  6. Step 6: Final answer
    x = 635,076.11

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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.