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Finding the Fourth Proportional to 580,369.77, 800,911.83 and 322,247.21

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Solution

The fourth proportional to 580,369.77, 800,911.83 and 322,247.21 is: 444,702.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    580,369.77 : 800,911.83 = 322,247.21 : x
  2. Step 2: Convert to fraction form
    580,369.77/800,911.83 = 322,247.21/x
  3. Step 3: Cross multiply
    580,369.77x = 800,911.83 × 322,247.21
  4. Step 4: Simplify right side
    580,369.77x = 258,091,602,673.49
  5. Step 5: Solve for x
    x = 258,091,602,673.49/580,369.77
  6. Step 6: Final answer
    x = 444,702.01

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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.