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Finding the Fourth Proportional to 547,737.60, 822,451.20 and 298,905.60

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Solution

The fourth proportional to 547,737.60, 822,451.20 and 298,905.60 is: 448,819.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,737.60 : 822,451.20 = 298,905.60 : x
  2. Step 2: Convert to fraction form
    547,737.60/822,451.20 = 298,905.60/x
  3. Step 3: Cross multiply
    547,737.60x = 822,451.20 × 298,905.60
  4. Step 4: Simplify right side
    547,737.60x = 245,835,269,406.72
  5. Step 5: Solve for x
    x = 245,835,269,406.72/547,737.60
  6. Step 6: Final answer
    x = 448,819.42

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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.