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Finding the Fourth Proportional to 594,311.16, 820,146.71 and 322,379.18

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Solution

The fourth proportional to 594,311.16, 820,146.71 and 322,379.18 is: 444,881.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    594,311.16 : 820,146.71 = 322,379.18 : x
  2. Step 2: Convert to fraction form
    594,311.16/820,146.71 = 322,379.18/x
  3. Step 3: Cross multiply
    594,311.16x = 820,146.71 × 322,379.18
  4. Step 4: Simplify right side
    594,311.16x = 264,398,218,136.87
  5. Step 5: Solve for x
    x = 264,398,218,136.87/594,311.16
  6. Step 6: Final answer
    x = 444,881.80

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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.