Home / 729,279.30-1,093,590.90-329,714.40

Finding the Fourth Proportional to 729,279.30, 1,093,590.90 and 329,714.40

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Solution

The fourth proportional to 729,279.30, 1,093,590.90 and 329,714.40 is: 494,423.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,279.30 : 1,093,590.90 = 329,714.40 : x
  2. Step 2: Convert to fraction form
    729,279.30/1,093,590.90 = 329,714.40/x
  3. Step 3: Cross multiply
    729,279.30x = 1,093,590.90 × 329,714.40
  4. Step 4: Simplify right side
    729,279.30x = 360,572,667,438.96
  5. Step 5: Solve for x
    x = 360,572,667,438.96/729,279.30
  6. Step 6: Final answer
    x = 494,423.29

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1.5x scale

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.