Home / 827,436.42-1,241,225.88-228,397.68

Finding the Fourth Proportional to 827,436.42, 1,241,225.88 and 228,397.68

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Solution

The fourth proportional to 827,436.42, 1,241,225.88 and 228,397.68 is: 342,616.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,436.42 : 1,241,225.88 = 228,397.68 : x
  2. Step 2: Convert to fraction form
    827,436.42/1,241,225.88 = 228,397.68/x
  3. Step 3: Cross multiply
    827,436.42x = 1,241,225.88 × 228,397.68
  4. Step 4: Simplify right side
    827,436.42x = 283,493,111,347.96
  5. Step 5: Solve for x
    x = 283,493,111,347.96/827,436.42
  6. Step 6: Final answer
    x = 342,616.19

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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.