Home / 628,103.96-941,585.76-228,462.20

Finding the Fourth Proportional to 628,103.96, 941,585.76 and 228,462.20

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Solution

The fourth proportional to 628,103.96, 941,585.76 and 228,462.20 is: 342,485.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,103.96 : 941,585.76 = 228,462.20 : x
  2. Step 2: Convert to fraction form
    628,103.96/941,585.76 = 228,462.20/x
  3. Step 3: Cross multiply
    628,103.96x = 941,585.76 × 228,462.20
  4. Step 4: Simplify right side
    628,103.96x = 215,116,749,510.34
  5. Step 5: Solve for x
    x = 215,116,749,510.34/628,103.96
  6. Step 6: Final answer
    x = 342,485.90

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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.