Home / 627,642.94-940,933.86-272,389.90

Finding the Fourth Proportional to 627,642.94, 940,933.86 and 272,389.90

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Solution

The fourth proportional to 627,642.94, 940,933.86 and 272,389.90 is: 408,354.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,642.94 : 940,933.86 = 272,389.90 : x
  2. Step 2: Convert to fraction form
    627,642.94/940,933.86 = 272,389.90/x
  3. Step 3: Cross multiply
    627,642.94x = 940,933.86 × 272,389.90
  4. Step 4: Simplify right side
    627,642.94x = 256,300,880,032.01
  5. Step 5: Solve for x
    x = 256,300,880,032.01/627,642.94
  6. Step 6: Final answer
    x = 408,354.60

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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.