Home / 627,845.21-941,746.69-272,859.27

Finding the Fourth Proportional to 627,845.21, 941,746.69 and 272,859.27

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Solution

The fourth proportional to 627,845.21, 941,746.69 and 272,859.27 is: 409,279.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    627,845.21 : 941,746.69 = 272,859.27 : x
  2. Step 2: Convert to fraction form
    627,845.21/941,746.69 = 272,859.27/x
  3. Step 3: Cross multiply
    627,845.21x = 941,746.69 × 272,859.27
  4. Step 4: Simplify right side
    627,845.21x = 256,964,314,358.32
  5. Step 5: Solve for x
    x = 256,964,314,358.32/627,845.21
  6. Step 6: Final answer
    x = 409,279.72

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1.5x scale

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.