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Finding the Fourth Proportional to 672,484.96, 928,001.32 and 366,554.61

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Solution

The fourth proportional to 672,484.96, 928,001.32 and 366,554.61 is: 505,830.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,484.96 : 928,001.32 = 366,554.61 : x
  2. Step 2: Convert to fraction form
    672,484.96/928,001.32 = 366,554.61/x
  3. Step 3: Cross multiply
    672,484.96x = 928,001.32 × 366,554.61
  4. Step 4: Simplify right side
    672,484.96x = 340,163,161,015.70
  5. Step 5: Solve for x
    x = 340,163,161,015.70/672,484.96
  6. Step 6: Final answer
    x = 505,830.14

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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.