Home / 628,310.48-942,445.65-201,844.56

Finding the Fourth Proportional to 628,310.48, 942,445.65 and 201,844.56

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Solution

The fourth proportional to 628,310.48, 942,445.65 and 201,844.56 is: 302,760.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,310.48 : 942,445.65 = 201,844.56 : x
  2. Step 2: Convert to fraction form
    628,310.48/942,445.65 = 201,844.56/x
  3. Step 3: Cross multiply
    628,310.48x = 942,445.65 × 201,844.56
  4. Step 4: Simplify right side
    628,310.48x = 190,227,530,703.88
  5. Step 5: Solve for x
    x = 190,227,530,703.88/628,310.48
  6. Step 6: Final answer
    x = 302,760.40

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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.