Home / 728,999.60-1,093,827.45-329,434.70

Finding the Fourth Proportional to 728,999.60, 1,093,827.45 and 329,434.70

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Solution

The fourth proportional to 728,999.60, 1,093,827.45 and 329,434.70 is: 494,300.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,999.60 : 1,093,827.45 = 329,434.70 : x
  2. Step 2: Convert to fraction form
    728,999.60/1,093,827.45 = 329,434.70/x
  3. Step 3: Cross multiply
    728,999.60x = 1,093,827.45 × 329,434.70
  4. Step 4: Simplify right side
    728,999.60x = 360,344,717,842.52
  5. Step 5: Solve for x
    x = 360,344,717,842.52/728,999.60
  6. Step 6: Final answer
    x = 494,300.30

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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.