Home / 534,427.20-737,521.47-304,979.90

Finding the Fourth Proportional to 534,427.20, 737,521.47 and 304,979.90

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Solution

The fourth proportional to 534,427.20, 737,521.47 and 304,979.90 is: 420,879.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    534,427.20 : 737,521.47 = 304,979.90 : x
  2. Step 2: Convert to fraction form
    534,427.20/737,521.47 = 304,979.90/x
  3. Step 3: Cross multiply
    534,427.20x = 737,521.47 × 304,979.90
  4. Step 4: Simplify right side
    534,427.20x = 224,929,220,480.85
  5. Step 5: Solve for x
    x = 224,929,220,480.85/534,427.20
  6. Step 6: Final answer
    x = 420,879.07

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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.