Home / 459,964.92-689,898.85-123,039.58

Finding the Fourth Proportional to 459,964.92, 689,898.85 and 123,039.58

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Solution

The fourth proportional to 459,964.92, 689,898.85 and 123,039.58 is: 184,546.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,964.92 : 689,898.85 = 123,039.58 : x
  2. Step 2: Convert to fraction form
    459,964.92/689,898.85 = 123,039.58/x
  3. Step 3: Cross multiply
    459,964.92x = 689,898.85 × 123,039.58
  4. Step 4: Simplify right side
    459,964.92x = 84,884,864,746.48
  5. Step 5: Solve for x
    x = 84,884,864,746.48/459,964.92
  6. Step 6: Final answer
    x = 184,546.39

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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.