Home / 469,713.13-648,195.95-285,885.25

Finding the Fourth Proportional to 469,713.13, 648,195.95 and 285,885.25

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Solution

The fourth proportional to 469,713.13, 648,195.95 and 285,885.25 is: 394,516.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    469,713.13 : 648,195.95 = 285,885.25 : x
  2. Step 2: Convert to fraction form
    469,713.13/648,195.95 = 285,885.25/x
  3. Step 3: Cross multiply
    469,713.13x = 648,195.95 × 285,885.25
  4. Step 4: Simplify right side
    469,713.13x = 185,309,659,785.31
  5. Step 5: Solve for x
    x = 185,309,659,785.31/469,713.13
  6. Step 6: Final answer
    x = 394,516.67

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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.