Home / 534,426.38-737,520.34-304,979.10

Finding the Fourth Proportional to 534,426.38, 737,520.34 and 304,979.10

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Solution

The fourth proportional to 534,426.38, 737,520.34 and 304,979.10 is: 420,877.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,426.38 : 737,520.34 = 304,979.10 : x
  2. Step 2: Convert to fraction form
    534,426.38/737,520.34 = 304,979.10/x
  3. Step 3: Cross multiply
    534,426.38x = 737,520.34 × 304,979.10
  4. Step 4: Simplify right side
    534,426.38x = 224,928,289,524.89
  5. Step 5: Solve for x
    x = 224,928,289,524.89/534,426.38
  6. Step 6: Final answer
    x = 420,877.97

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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.