Home / 459,965.75-689,900.09-123,040.41

Finding the Fourth Proportional to 459,965.75, 689,900.09 and 123,040.41

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Solution

The fourth proportional to 459,965.75, 689,900.09 and 123,040.41 is: 184,547.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,965.75 : 689,900.09 = 123,040.41 : x
  2. Step 2: Convert to fraction form
    459,965.75/689,900.09 = 123,040.41/x
  3. Step 3: Cross multiply
    459,965.75x = 689,900.09 × 123,040.41
  4. Step 4: Simplify right side
    459,965.75x = 84,885,586,730.31
  5. Step 5: Solve for x
    x = 84,885,586,730.31/459,965.75
  6. Step 6: Final answer
    x = 184,547.63

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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.