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Finding the Fourth Proportional to 672,392.14, 927,874.13 and 366,461.96

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Solution

The fourth proportional to 672,392.14, 927,874.13 and 366,461.96 is: 505,702.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,392.14 : 927,874.13 = 366,461.96 : x
  2. Step 2: Convert to fraction form
    672,392.14/927,874.13 = 366,461.96/x
  3. Step 3: Cross multiply
    672,392.14x = 927,874.13 × 366,461.96
  4. Step 4: Simplify right side
    672,392.14x = 340,030,565,841.41
  5. Step 5: Solve for x
    x = 340,030,565,841.41/672,392.14
  6. Step 6: Final answer
    x = 505,702.77

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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.