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Finding the Fourth Proportional to 534,285, 737,313.30 and 307,945.08

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Solution

The fourth proportional to 534,285, 737,313.30 and 307,945.08 is: 424,964.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,285 : 737,313.30 = 307,945.08 : x
  2. Step 2: Convert to fraction form
    534,285/737,313.30 = 307,945.08/x
  3. Step 3: Cross multiply
    534,285x = 737,313.30 × 307,945.08
  4. Step 4: Simplify right side
    534,285x = 227,052,003,153.56
  5. Step 5: Solve for x
    x = 227,052,003,153.56/534,285
  6. Step 6: Final answer
    x = 424,964.21

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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.