Home / 827,638.29-1,241,432.55-228,635.28

Finding the Fourth Proportional to 827,638.29, 1,241,432.55 and 228,635.28

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Solution

The fourth proportional to 827,638.29, 1,241,432.55 and 228,635.28 is: 342,946.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,638.29 : 1,241,432.55 = 228,635.28 : x
  2. Step 2: Convert to fraction form
    827,638.29/1,241,432.55 = 228,635.28/x
  3. Step 3: Cross multiply
    827,638.29x = 1,241,432.55 × 228,635.28
  4. Step 4: Simplify right side
    827,638.29x = 283,835,278,670.36
  5. Step 5: Solve for x
    x = 283,835,278,670.36/827,638.29
  6. Step 6: Final answer
    x = 342,946.05

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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.