Home / 547,056.09-820,022.81-210,005.98

Finding the Fourth Proportional to 547,056.09, 820,022.81 and 210,005.98

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Solution

The fourth proportional to 547,056.09, 820,022.81 and 210,005.98 is: 314,793.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,056.09 : 820,022.81 = 210,005.98 : x
  2. Step 2: Convert to fraction form
    547,056.09/820,022.81 = 210,005.98/x
  3. Step 3: Cross multiply
    547,056.09x = 820,022.81 × 210,005.98
  4. Step 4: Simplify right side
    547,056.09x = 172,209,690,736.32
  5. Step 5: Solve for x
    x = 172,209,690,736.32/547,056.09
  6. Step 6: Final answer
    x = 314,793.48

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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.