Home / 418,332.20-627,498.50-276,144.26

Finding the Fourth Proportional to 418,332.20, 627,498.50 and 276,144.26

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Solution

The fourth proportional to 418,332.20, 627,498.50 and 276,144.26 is: 414,216.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,332.20 : 627,498.50 = 276,144.26 : x
  2. Step 2: Convert to fraction form
    418,332.20/627,498.50 = 276,144.26/x
  3. Step 3: Cross multiply
    418,332.20x = 627,498.50 × 276,144.26
  4. Step 4: Simplify right side
    418,332.20x = 173,280,104,415.40
  5. Step 5: Solve for x
    x = 173,280,104,415.40/418,332.20
  6. Step 6: Final answer
    x = 414,216.52

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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.