Home / 480,727.44-663,487.07-289,741.05

Finding the Fourth Proportional to 480,727.44, 663,487.07 and 289,741.05

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Solution

The fourth proportional to 480,727.44, 663,487.07 and 289,741.05 is: 399,892.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,727.44 : 663,487.07 = 289,741.05 : x
  2. Step 2: Convert to fraction form
    480,727.44/663,487.07 = 289,741.05/x
  3. Step 3: Cross multiply
    480,727.44x = 663,487.07 × 289,741.05
  4. Step 4: Simplify right side
    480,727.44x = 192,239,438,874.52
  5. Step 5: Solve for x
    x = 192,239,438,874.52/480,727.44
  6. Step 6: Final answer
    x = 399,892.79

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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.