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Finding the Fourth Proportional to 479,776.86, 662,094.87 and 264,912.86

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Solution

The fourth proportional to 479,776.86, 662,094.87 and 264,912.86 is: 365,581.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,776.86 : 662,094.87 = 264,912.86 : x
  2. Step 2: Convert to fraction form
    479,776.86/662,094.87 = 264,912.86/x
  3. Step 3: Cross multiply
    479,776.86x = 662,094.87 × 264,912.86
  4. Step 4: Simplify right side
    479,776.86x = 175,397,445,603.03
  5. Step 5: Solve for x
    x = 175,397,445,603.03/479,776.86
  6. Step 6: Final answer
    x = 365,581.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.