Home / 958,521.60-1,322,764.20-528,801.60

Finding the Fourth Proportional to 958,521.60, 1,322,764.20 and 528,801.60

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Solution

The fourth proportional to 958,521.60, 1,322,764.20 and 528,801.60 is: 729,748.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,521.60 : 1,322,764.20 = 528,801.60 : x
  2. Step 2: Convert to fraction form
    958,521.60/1,322,764.20 = 528,801.60/x
  3. Step 3: Cross multiply
    958,521.60x = 1,322,764.20 × 528,801.60
  4. Step 4: Simplify right side
    958,521.60x = 699,479,825,382.72
  5. Step 5: Solve for x
    x = 699,479,825,382.72/958,521.60
  6. Step 6: Final answer
    x = 729,748.63

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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.