Home / 729,424.60-1,093,359.30-279,971.80

Finding the Fourth Proportional to 729,424.60, 1,093,359.30 and 279,971.80

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Solution

The fourth proportional to 729,424.60, 1,093,359.30 and 279,971.80 is: 419,659.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,424.60 : 1,093,359.30 = 279,971.80 : x
  2. Step 2: Convert to fraction form
    729,424.60/1,093,359.30 = 279,971.80/x
  3. Step 3: Cross multiply
    729,424.60x = 1,093,359.30 × 279,971.80
  4. Step 4: Simplify right side
    729,424.60x = 306,109,771,267.74
  5. Step 5: Solve for x
    x = 306,109,771,267.74/729,424.60
  6. Step 6: Final answer
    x = 419,659.24

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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.