Home / 547,895.12-822,060.64-210,845.28

Finding the Fourth Proportional to 547,895.12, 822,060.64 and 210,845.28

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Solution

The fourth proportional to 547,895.12, 822,060.64 and 210,845.28 is: 316,351.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,895.12 : 822,060.64 = 210,845.28 : x
  2. Step 2: Convert to fraction form
    547,895.12/822,060.64 = 210,845.28/x
  3. Step 3: Cross multiply
    547,895.12x = 822,060.64 × 210,845.28
  4. Step 4: Simplify right side
    547,895.12x = 173,327,605,817.78
  5. Step 5: Solve for x
    x = 173,327,605,817.78/547,895.12
  6. Step 6: Final answer
    x = 316,351.80

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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.