Home / 764,001.14-1,054,269.72-419,861.12

Finding the Fourth Proportional to 764,001.14, 1,054,269.72 and 419,861.12

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Solution

The fourth proportional to 764,001.14, 1,054,269.72 and 419,861.12 is: 579,379.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,001.14 : 1,054,269.72 = 419,861.12 : x
  2. Step 2: Convert to fraction form
    764,001.14/1,054,269.72 = 419,861.12/x
  3. Step 3: Cross multiply
    764,001.14x = 1,054,269.72 × 419,861.12
  4. Step 4: Simplify right side
    764,001.14x = 442,646,860,149.94
  5. Step 5: Solve for x
    x = 442,646,860,149.94/764,001.14
  6. Step 6: Final answer
    x = 579,379.85

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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.