Home / 958,378.98-1,322,460.79-528,659.07

Finding the Fourth Proportional to 958,378.98, 1,322,460.79 and 528,659.07

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Solution

The fourth proportional to 958,378.98, 1,322,460.79 and 528,659.07 is: 729,493.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,378.98 : 1,322,460.79 = 528,659.07 : x
  2. Step 2: Convert to fraction form
    958,378.98/1,322,460.79 = 528,659.07/x
  3. Step 3: Cross multiply
    958,378.98x = 1,322,460.79 × 528,659.07
  4. Step 4: Simplify right side
    958,378.98x = 699,130,891,352.87
  5. Step 5: Solve for x
    x = 699,130,891,352.87/958,378.98
  6. Step 6: Final answer
    x = 729,493.14

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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.