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Finding the Fourth Proportional to 561,800.42, 842,784.54 and 206,787.44

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Solution

The fourth proportional to 561,800.42, 842,784.54 and 206,787.44 is: 310,212.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    561,800.42 : 842,784.54 = 206,787.44 : x
  2. Step 2: Convert to fraction form
    561,800.42/842,784.54 = 206,787.44/x
  3. Step 3: Cross multiply
    561,800.42x = 842,784.54 × 206,787.44
  4. Step 4: Simplify right side
    561,800.42x = 174,277,257,498.18
  5. Step 5: Solve for x
    x = 174,277,257,498.18/561,800.42
  6. Step 6: Final answer
    x = 310,212.05

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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.