Home / 534,289-737,318.82-307,949.08

Finding the Fourth Proportional to 534,289, 737,318.82 and 307,949.08

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Solution

The fourth proportional to 534,289, 737,318.82 and 307,949.08 is: 424,969.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,289 : 737,318.82 = 307,949.08 : x
  2. Step 2: Convert to fraction form
    534,289/737,318.82 = 307,949.08/x
  3. Step 3: Cross multiply
    534,289x = 737,318.82 × 307,949.08
  4. Step 4: Simplify right side
    534,289x = 227,056,652,285.69
  5. Step 5: Solve for x
    x = 227,056,652,285.69/534,289
  6. Step 6: Final answer
    x = 424,969.73

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.