Home / 524,669.82-786,916.68-145,629.06

Finding the Fourth Proportional to 524,669.82, 786,916.68 and 145,629.06

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Solution

The fourth proportional to 524,669.82, 786,916.68 and 145,629.06 is: 218,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    524,669.82 : 786,916.68 = 145,629.06 : x
  2. Step 2: Convert to fraction form
    524,669.82/786,916.68 = 145,629.06/x
  3. Step 3: Cross multiply
    524,669.82x = 786,916.68 × 145,629.06
  4. Step 4: Simplify right side
    524,669.82x = 114,597,936,406.72
  5. Step 5: Solve for x
    x = 114,597,936,406.72/524,669.82
  6. Step 6: Final answer
    x = 218,419.15

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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.