Home / 349,629.72-524,047.68-307,428.12

Finding the Fourth Proportional to 349,629.72, 524,047.68 and 307,428.12

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Solution

The fourth proportional to 349,629.72, 524,047.68 and 307,428.12 is: 460,793.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    349,629.72 : 524,047.68 = 307,428.12 : x
  2. Step 2: Convert to fraction form
    349,629.72/524,047.68 = 307,428.12/x
  3. Step 3: Cross multiply
    349,629.72x = 524,047.68 × 307,428.12
  4. Step 4: Simplify right side
    349,629.72x = 161,106,993,052.76
  5. Step 5: Solve for x
    x = 161,106,993,052.76/349,629.72
  6. Step 6: Final answer
    x = 460,793.19

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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.