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Finding the Fourth Proportional to 576,475.98, 795,544.73 and 318,370.34

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Solution

The fourth proportional to 576,475.98, 795,544.73 and 318,370.34 is: 439,355.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    576,475.98 : 795,544.73 = 318,370.34 : x
  2. Step 2: Convert to fraction form
    576,475.98/795,544.73 = 318,370.34/x
  3. Step 3: Cross multiply
    576,475.98x = 795,544.73 × 318,370.34
  4. Step 4: Simplify right side
    576,475.98x = 253,277,840,605.73
  5. Step 5: Solve for x
    x = 253,277,840,605.73/576,475.98
  6. Step 6: Final answer
    x = 439,355.41

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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.