Home / 477,286.76-658,656.26-262,430.44

Finding the Fourth Proportional to 477,286.76, 658,656.26 and 262,430.44

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Solution

The fourth proportional to 477,286.76, 658,656.26 and 262,430.44 is: 362,154.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    477,286.76 : 658,656.26 = 262,430.44 : x
  2. Step 2: Convert to fraction form
    477,286.76/658,656.26 = 262,430.44/x
  3. Step 3: Cross multiply
    477,286.76x = 658,656.26 × 262,430.44
  4. Step 4: Simplify right side
    477,286.76x = 172,851,452,120.55
  5. Step 5: Solve for x
    x = 172,851,452,120.55/477,286.76
  6. Step 6: Final answer
    x = 362,154.30

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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.