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Finding the Fourth Proportional to 672,233.34, 927,670.02 and 366,311.90

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Solution

The fourth proportional to 672,233.34, 927,670.02 and 366,311.90 is: 505,503.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,233.34 : 927,670.02 = 366,311.90 : x
  2. Step 2: Convert to fraction form
    672,233.34/927,670.02 = 366,311.90/x
  3. Step 3: Cross multiply
    672,233.34x = 927,670.02 × 366,311.90
  4. Step 4: Simplify right side
    672,233.34x = 339,816,567,599.24
  5. Step 5: Solve for x
    x = 339,816,567,599.24/672,233.34
  6. Step 6: Final answer
    x = 505,503.89

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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.