Home / 479,434.92-719,284.86-209,586.60

Finding the Fourth Proportional to 479,434.92, 719,284.86 and 209,586.60

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Solution

The fourth proportional to 479,434.92, 719,284.86 and 209,586.60 is: 314,437.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,434.92 : 719,284.86 = 209,586.60 : x
  2. Step 2: Convert to fraction form
    479,434.92/719,284.86 = 209,586.60/x
  3. Step 3: Cross multiply
    479,434.92x = 719,284.86 × 209,586.60
  4. Step 4: Simplify right side
    479,434.92x = 150,752,468,238.88
  5. Step 5: Solve for x
    x = 150,752,468,238.88/479,434.92
  6. Step 6: Final answer
    x = 314,437.81

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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.