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Finding the Fourth Proportional to 532,872.20, 799,308.30 and 322,401.80

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Solution

The fourth proportional to 532,872.20, 799,308.30 and 322,401.80 is: 483,602.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,872.20 : 799,308.30 = 322,401.80 : x
  2. Step 2: Convert to fraction form
    532,872.20/799,308.30 = 322,401.80/x
  3. Step 3: Cross multiply
    532,872.20x = 799,308.30 × 322,401.80
  4. Step 4: Simplify right side
    532,872.20x = 257,698,434,674.94
  5. Step 5: Solve for x
    x = 257,698,434,674.94/532,872.20
  6. Step 6: Final answer
    x = 483,602.70

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Similar ratio
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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.