Home / 731,586.96-1,008,923.01-628,188.87

Finding the Fourth Proportional to 731,586.96, 1,008,923.01 and 628,188.87

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Solution

The fourth proportional to 731,586.96, 1,008,923.01 and 628,188.87 is: 866,327.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,586.96 : 1,008,923.01 = 628,188.87 : x
  2. Step 2: Convert to fraction form
    731,586.96/1,008,923.01 = 628,188.87/x
  3. Step 3: Cross multiply
    731,586.96x = 1,008,923.01 × 628,188.87
  4. Step 4: Simplify right side
    731,586.96x = 633,794,206,621.80
  5. Step 5: Solve for x
    x = 633,794,206,621.80/731,586.96
  6. Step 6: Final answer
    x = 866,327.91

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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.