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Finding the Fourth Proportional to 569,721.08, 854,318.15 and 209,801.05

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Solution

The fourth proportional to 569,721.08, 854,318.15 and 209,801.05 is: 314,604.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,721.08 : 854,318.15 = 209,801.05 : x
  2. Step 2: Convert to fraction form
    569,721.08/854,318.15 = 209,801.05/x
  3. Step 3: Cross multiply
    569,721.08x = 854,318.15 × 209,801.05
  4. Step 4: Simplify right side
    569,721.08x = 179,236,839,583.46
  5. Step 5: Solve for x
    x = 179,236,839,583.46/569,721.08
  6. Step 6: Final answer
    x = 314,604.54

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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.