Home / 739,638.18-1,109,608-334,635.86

Finding the Fourth Proportional to 739,638.18, 1,109,608 and 334,635.86

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Solution

The fourth proportional to 739,638.18, 1,109,608 and 334,635.86 is: 502,021.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,638.18 : 1,109,608 = 334,635.86 : x
  2. Step 2: Convert to fraction form
    739,638.18/1,109,608 = 334,635.86/x
  3. Step 3: Cross multiply
    739,638.18x = 1,109,608 × 334,635.86
  4. Step 4: Simplify right side
    739,638.18x = 371,314,627,342.88
  5. Step 5: Solve for x
    x = 371,314,627,342.88/739,638.18
  6. Step 6: Final answer
    x = 502,021.99

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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.