Home / 627,646.69-940,939.48-272,393.65

Finding the Fourth Proportional to 627,646.69, 940,939.48 and 272,393.65

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Solution

The fourth proportional to 627,646.69, 940,939.48 and 272,393.65 is: 408,360.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,646.69 : 940,939.48 = 272,393.65 : x
  2. Step 2: Convert to fraction form
    627,646.69/940,939.48 = 272,393.65/x
  3. Step 3: Cross multiply
    627,646.69x = 940,939.48 × 272,393.65
  4. Step 4: Simplify right side
    627,646.69x = 256,305,939,386.30
  5. Step 5: Solve for x
    x = 256,305,939,386.30/627,646.69
  6. Step 6: Final answer
    x = 408,360.22

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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.