Home / 928,780.50-1,393,611.02-448,739.21

Finding the Fourth Proportional to 928,780.50, 1,393,611.02 and 448,739.21

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Solution

The fourth proportional to 928,780.50, 1,393,611.02 and 448,739.21 is: 673,321.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,780.50 : 1,393,611.02 = 448,739.21 : x
  2. Step 2: Convert to fraction form
    928,780.50/1,393,611.02 = 448,739.21/x
  3. Step 3: Cross multiply
    928,780.50x = 1,393,611.02 × 448,739.21
  4. Step 4: Simplify right side
    928,780.50x = 625,367,908,162.09
  5. Step 5: Solve for x
    x = 625,367,908,162.09/928,780.50
  6. Step 6: Final answer
    x = 673,321.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.