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Finding the Fourth Proportional to 479,145.70, 719,185.98 and 395,755.39

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Solution

The fourth proportional to 479,145.70, 719,185.98 and 395,755.39 is: 594,019.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,145.70 : 719,185.98 = 395,755.39 : x
  2. Step 2: Convert to fraction form
    479,145.70/719,185.98 = 395,755.39/x
  3. Step 3: Cross multiply
    479,145.70x = 719,185.98 × 395,755.39
  4. Step 4: Simplify right side
    479,145.70x = 284,621,724,401.50
  5. Step 5: Solve for x
    x = 284,621,724,401.50/479,145.70
  6. Step 6: Final answer
    x = 594,019.16

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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.