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Finding the Fourth Proportional to 484,258.60, 726,128.70 and 203,458.60

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Solution

The fourth proportional to 484,258.60, 726,128.70 and 203,458.60 is: 305,079.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,258.60 : 726,128.70 = 203,458.60 : x
  2. Step 2: Convert to fraction form
    484,258.60/726,128.70 = 203,458.60/x
  3. Step 3: Cross multiply
    484,258.60x = 726,128.70 × 203,458.60
  4. Step 4: Simplify right side
    484,258.60x = 147,737,128,721.82
  5. Step 5: Solve for x
    x = 147,737,128,721.82/484,258.60
  6. Step 6: Final answer
    x = 305,079.00

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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.