Home / 459,964.49-689,898.20-123,039.15

Finding the Fourth Proportional to 459,964.49, 689,898.20 and 123,039.15

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Solution

The fourth proportional to 459,964.49, 689,898.20 and 123,039.15 is: 184,545.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,964.49 : 689,898.20 = 123,039.15 : x
  2. Step 2: Convert to fraction form
    459,964.49/689,898.20 = 123,039.15/x
  3. Step 3: Cross multiply
    459,964.49x = 689,898.20 × 123,039.15
  4. Step 4: Simplify right side
    459,964.49x = 84,884,484,912.22
  5. Step 5: Solve for x
    x = 84,884,484,912.22/459,964.49
  6. Step 6: Final answer
    x = 184,545.74

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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.