Home / 579,919.03-869,164.66-276,473.05

Finding the Fourth Proportional to 579,919.03, 869,164.66 and 276,473.05

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Solution

The fourth proportional to 579,919.03, 869,164.66 and 276,473.05 is: 414,369.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,919.03 : 869,164.66 = 276,473.05 : x
  2. Step 2: Convert to fraction form
    579,919.03/869,164.66 = 276,473.05/x
  3. Step 3: Cross multiply
    579,919.03x = 869,164.66 × 276,473.05
  4. Step 4: Simplify right side
    579,919.03x = 240,300,604,502.41
  5. Step 5: Solve for x
    x = 240,300,604,502.41/579,919.03
  6. Step 6: Final answer
    x = 414,369.23

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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.