Home / 958,489.29-1,322,649.77-528,776.59

Finding the Fourth Proportional to 958,489.29, 1,322,649.77 and 528,776.59

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Solution

The fourth proportional to 958,489.29, 1,322,649.77 and 528,776.59 is: 729,675.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,489.29 : 1,322,649.77 = 528,776.59 : x
  2. Step 2: Convert to fraction form
    958,489.29/1,322,649.77 = 528,776.59/x
  3. Step 3: Cross multiply
    958,489.29x = 1,322,649.77 × 528,776.59
  4. Step 4: Simplify right side
    958,489.29x = 699,386,235,144.88
  5. Step 5: Solve for x
    x = 699,386,235,144.88/958,489.29
  6. Step 6: Final answer
    x = 729,675.59

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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.