Home / 420,026.00-627,361.07-379,983.24

Finding the Fourth Proportional to 420,026.00, 627,361.07 and 379,983.24

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Solution

The fourth proportional to 420,026.00, 627,361.07 and 379,983.24 is: 567,552.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    420,026.00 : 627,361.07 = 379,983.24 : x
  2. Step 2: Convert to fraction form
    420,026.00/627,361.07 = 379,983.24/x
  3. Step 3: Cross multiply
    420,026.00x = 627,361.07 × 379,983.24
  4. Step 4: Simplify right side
    420,026.00x = 238,386,692,978.43
  5. Step 5: Solve for x
    x = 238,386,692,978.43/420,026.00
  6. Step 6: Final answer
    x = 567,552.24

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.