Home / 638,004.63-956,104.20-353,820.18

Finding the Fourth Proportional to 638,004.63, 956,104.20 and 353,820.18

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Solution

The fourth proportional to 638,004.63, 956,104.20 and 353,820.18 is: 530,229.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,004.63 : 956,104.20 = 353,820.18 : x
  2. Step 2: Convert to fraction form
    638,004.63/956,104.20 = 353,820.18/x
  3. Step 3: Cross multiply
    638,004.63x = 956,104.20 × 353,820.18
  4. Step 4: Simplify right side
    638,004.63x = 338,288,960,142.76
  5. Step 5: Solve for x
    x = 338,288,960,142.76/638,004.63
  6. Step 6: Final answer
    x = 530,229.63

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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.