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Finding the Fourth Proportional to 569,212.60, 854,803.05 and 303,492.10

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Solution

The fourth proportional to 569,212.60, 854,803.05 and 303,492.10 is: 455,762.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    569,212.60 : 854,803.05 = 303,492.10 : x
  2. Step 2: Convert to fraction form
    569,212.60/854,803.05 = 303,492.10/x
  3. Step 3: Cross multiply
    569,212.60x = 854,803.05 × 303,492.10
  4. Step 4: Simplify right side
    569,212.60x = 259,425,972,730.91
  5. Step 5: Solve for x
    x = 259,425,972,730.91/569,212.60
  6. Step 6: Final answer
    x = 455,762.88

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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.