Home / 753,083.70-1,129,625.55-254,447.70

Finding the Fourth Proportional to 753,083.70, 1,129,625.55 and 254,447.70

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Solution

The fourth proportional to 753,083.70, 1,129,625.55 and 254,447.70 is: 381,671.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,083.70 : 1,129,625.55 = 254,447.70 : x
  2. Step 2: Convert to fraction form
    753,083.70/1,129,625.55 = 254,447.70/x
  3. Step 3: Cross multiply
    753,083.70x = 1,129,625.55 × 254,447.70
  4. Step 4: Simplify right side
    753,083.70x = 287,430,623,058.74
  5. Step 5: Solve for x
    x = 287,430,623,058.74/753,083.70
  6. Step 6: Final answer
    x = 381,671.55

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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.