Home / 958,687.05-1,323,015.81-528,994.86

Finding the Fourth Proportional to 958,687.05, 1,323,015.81 and 528,994.86

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Solution

The fourth proportional to 958,687.05, 1,323,015.81 and 528,994.86 is: 730,028.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,687.05 : 1,323,015.81 = 528,994.86 : x
  2. Step 2: Convert to fraction form
    958,687.05/1,323,015.81 = 528,994.86/x
  3. Step 3: Cross multiply
    958,687.05x = 1,323,015.81 × 528,994.86
  4. Step 4: Simplify right side
    958,687.05x = 699,868,556,573.66
  5. Step 5: Solve for x
    x = 699,868,556,573.66/958,687.05
  6. Step 6: Final answer
    x = 730,028.18

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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.