Home / 731,722.06-1,009,751.11-405,049.31

Finding the Fourth Proportional to 731,722.06, 1,009,751.11 and 405,049.31

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Solution

The fourth proportional to 731,722.06, 1,009,751.11 and 405,049.31 is: 558,954.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,722.06 : 1,009,751.11 = 405,049.31 : x
  2. Step 2: Convert to fraction form
    731,722.06/1,009,751.11 = 405,049.31/x
  3. Step 3: Cross multiply
    731,722.06x = 1,009,751.11 × 405,049.31
  4. Step 4: Simplify right side
    731,722.06x = 408,998,990,380.82
  5. Step 5: Solve for x
    x = 408,998,990,380.82/731,722.06
  6. Step 6: Final answer
    x = 558,954.03

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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.