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Finding the Fourth Proportional to 569,642.20, 854,463.30 and 274,730.20

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Solution

The fourth proportional to 569,642.20, 854,463.30 and 274,730.20 is: 412,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,642.20 : 854,463.30 = 274,730.20 : x
  2. Step 2: Convert to fraction form
    569,642.20/854,463.30 = 274,730.20/x
  3. Step 3: Cross multiply
    569,642.20x = 854,463.30 × 274,730.20
  4. Step 4: Simplify right side
    569,642.20x = 234,746,873,301.66
  5. Step 5: Solve for x
    x = 234,746,873,301.66/569,642.20
  6. Step 6: Final answer
    x = 412,095.30

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Similar ratio
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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.