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Finding the Fourth Proportional to 555,469.80, 833,204.70 and 289,749.30

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Solution

The fourth proportional to 555,469.80, 833,204.70 and 289,749.30 is: 434,623.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,469.80 : 833,204.70 = 289,749.30 : x
  2. Step 2: Convert to fraction form
    555,469.80/833,204.70 = 289,749.30/x
  3. Step 3: Cross multiply
    555,469.80x = 833,204.70 × 289,749.30
  4. Step 4: Simplify right side
    555,469.80x = 241,420,478,581.71
  5. Step 5: Solve for x
    x = 241,420,478,581.71/555,469.80
  6. Step 6: Final answer
    x = 434,623.95

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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.