Home / 628,367.80-942,551.70-328,732.60

Finding the Fourth Proportional to 628,367.80, 942,551.70 and 328,732.60

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Solution

The fourth proportional to 628,367.80, 942,551.70 and 328,732.60 is: 493,098.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,367.80 : 942,551.70 = 328,732.60 : x
  2. Step 2: Convert to fraction form
    628,367.80/942,551.70 = 328,732.60/x
  3. Step 3: Cross multiply
    628,367.80x = 942,551.70 × 328,732.60
  4. Step 4: Simplify right side
    628,367.80x = 309,847,470,975.42
  5. Step 5: Solve for x
    x = 309,847,470,975.42/628,367.80
  6. Step 6: Final answer
    x = 493,098.90

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Similar ratio
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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.