Home / 644,847.72-965,796.36-308,125.05

Finding the Fourth Proportional to 644,847.72, 965,796.36 and 308,125.05

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Solution

The fourth proportional to 644,847.72, 965,796.36 and 308,125.05 is: 461,482.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,847.72 : 965,796.36 = 308,125.05 : x
  2. Step 2: Convert to fraction form
    644,847.72/965,796.36 = 308,125.05/x
  3. Step 3: Cross multiply
    644,847.72x = 965,796.36 × 308,125.05
  4. Step 4: Simplify right side
    644,847.72x = 297,586,051,714.82
  5. Step 5: Solve for x
    x = 297,586,051,714.82/644,847.72
  6. Step 6: Final answer
    x = 461,482.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.