Home / 827,436.98-1,241,130.76-228,434.70

Finding the Fourth Proportional to 827,436.98, 1,241,130.76 and 228,434.70

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Solution

The fourth proportional to 827,436.98, 1,241,130.76 and 228,434.70 is: 342,645.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,436.98 : 1,241,130.76 = 228,434.70 : x
  2. Step 2: Convert to fraction form
    827,436.98/1,241,130.76 = 228,434.70/x
  3. Step 3: Cross multiply
    827,436.98x = 1,241,130.76 × 228,434.70
  4. Step 4: Simplify right side
    827,436.98x = 283,517,332,821.37
  5. Step 5: Solve for x
    x = 283,517,332,821.37/827,436.98
  6. Step 6: Final answer
    x = 342,645.23

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Double scale
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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.