Home / 824,100.30-1,236,150.45-684,132.30

Finding the Fourth Proportional to 824,100.30, 1,236,150.45 and 684,132.30

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Solution

The fourth proportional to 824,100.30, 1,236,150.45 and 684,132.30 is: 1,026,198.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,100.30 : 1,236,150.45 = 684,132.30 : x
  2. Step 2: Convert to fraction form
    824,100.30/1,236,150.45 = 684,132.30/x
  3. Step 3: Cross multiply
    824,100.30x = 1,236,150.45 × 684,132.30
  4. Step 4: Simplify right side
    824,100.30x = 845,690,450,504.54
  5. Step 5: Solve for x
    x = 845,690,450,504.54/824,100.30
  6. Step 6: Final answer
    x = 1,026,198.45

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Double scale
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Similar ratio
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1.5x scale

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.