Home / 739,740.82-1,109,962.25-512,386.04

Finding the Fourth Proportional to 739,740.82, 1,109,962.25 and 512,386.04

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Solution

The fourth proportional to 739,740.82, 1,109,962.25 and 512,386.04 is: 768,822.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,740.82 : 1,109,962.25 = 512,386.04 : x
  2. Step 2: Convert to fraction form
    739,740.82/1,109,962.25 = 512,386.04/x
  3. Step 3: Cross multiply
    739,740.82x = 1,109,962.25 × 512,386.04
  4. Step 4: Simplify right side
    739,740.82x = 568,729,161,826.99
  5. Step 5: Solve for x
    x = 568,729,161,826.99/739,740.82
  6. Step 6: Final answer
    x = 768,822.20

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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.