Home / 758,541.41-1,137,431.21-252,923.41

Finding the Fourth Proportional to 758,541.41, 1,137,431.21 and 252,923.41

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Solution

The fourth proportional to 758,541.41, 1,137,431.21 and 252,923.41 is: 379,258.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,541.41 : 1,137,431.21 = 252,923.41 : x
  2. Step 2: Convert to fraction form
    758,541.41/1,137,431.21 = 252,923.41/x
  3. Step 3: Cross multiply
    758,541.41x = 1,137,431.21 × 252,923.41
  4. Step 4: Simplify right side
    758,541.41x = 287,682,976,165.43
  5. Step 5: Solve for x
    x = 287,682,976,165.43/758,541.41
  6. Step 6: Final answer
    x = 379,258.11

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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.