Home / 628,231.60-942,347.40-376,289.20

Finding the Fourth Proportional to 628,231.60, 942,347.40 and 376,289.20

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Solution

The fourth proportional to 628,231.60, 942,347.40 and 376,289.20 is: 564,433.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,231.60 : 942,347.40 = 376,289.20 : x
  2. Step 2: Convert to fraction form
    628,231.60/942,347.40 = 376,289.20/x
  3. Step 3: Cross multiply
    628,231.60x = 942,347.40 × 376,289.20
  4. Step 4: Simplify right side
    628,231.60x = 354,595,149,268.08
  5. Step 5: Solve for x
    x = 354,595,149,268.08/628,231.60
  6. Step 6: Final answer
    x = 564,433.80

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Similar ratio
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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.