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Finding the Fourth Proportional to 484,963.83, 669,270.86 and 270,103.95

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Solution

The fourth proportional to 484,963.83, 669,270.86 and 270,103.95 is: 372,755.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,963.83 : 669,270.86 = 270,103.95 : x
  2. Step 2: Convert to fraction form
    484,963.83/669,270.86 = 270,103.95/x
  3. Step 3: Cross multiply
    484,963.83x = 669,270.86 × 270,103.95
  4. Step 4: Simplify right side
    484,963.83x = 180,772,701,555.38
  5. Step 5: Solve for x
    x = 180,772,701,555.38/484,963.83
  6. Step 6: Final answer
    x = 372,755.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.