Home / 739,739.82-1,109,960.75-512,385.04

Finding the Fourth Proportional to 739,739.82, 1,109,960.75 and 512,385.04

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Solution

The fourth proportional to 739,739.82, 1,109,960.75 and 512,385.04 is: 768,820.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,739.82 : 1,109,960.75 = 512,385.04 : x
  2. Step 2: Convert to fraction form
    739,739.82/1,109,960.75 = 512,385.04/x
  3. Step 3: Cross multiply
    739,739.82x = 1,109,960.75 × 512,385.04
  4. Step 4: Simplify right side
    739,739.82x = 568,727,277,950.35
  5. Step 5: Solve for x
    x = 568,727,277,950.35/739,739.82
  6. Step 6: Final answer
    x = 768,820.69

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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.