Home / 536,129.28-739,917.45-306,707.85

Finding the Fourth Proportional to 536,129.28, 739,917.45 and 306,707.85

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Solution

The fourth proportional to 536,129.28, 739,917.45 and 306,707.85 is: 423,290.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,129.28 : 739,917.45 = 306,707.85 : x
  2. Step 2: Convert to fraction form
    536,129.28/739,917.45 = 306,707.85/x
  3. Step 3: Cross multiply
    536,129.28x = 739,917.45 × 306,707.85
  4. Step 4: Simplify right side
    536,129.28x = 226,938,490,266.98
  5. Step 5: Solve for x
    x = 226,938,490,266.98/536,129.28
  6. Step 6: Final answer
    x = 423,290.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.