Home / 827,194.80-1,240,792.20-228,248.40

Finding the Fourth Proportional to 827,194.80, 1,240,792.20 and 228,248.40

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Solution

The fourth proportional to 827,194.80, 1,240,792.20 and 228,248.40 is: 342,372.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,194.80 : 1,240,792.20 = 228,248.40 : x
  2. Step 2: Convert to fraction form
    827,194.80/1,240,792.20 = 228,248.40/x
  3. Step 3: Cross multiply
    827,194.80x = 1,240,792.20 × 228,248.40
  4. Step 4: Simplify right side
    827,194.80x = 283,208,834,382.48
  5. Step 5: Solve for x
    x = 283,208,834,382.48/827,194.80
  6. Step 6: Final answer
    x = 342,372.60

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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.