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Finding the Fourth Proportional to 481,353.47, 722,046.95 and 228,503.70

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Solution

The fourth proportional to 481,353.47, 722,046.95 and 228,503.70 is: 342,763.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,353.47 : 722,046.95 = 228,503.70 : x
  2. Step 2: Convert to fraction form
    481,353.47/722,046.95 = 228,503.70/x
  3. Step 3: Cross multiply
    481,353.47x = 722,046.95 × 228,503.70
  4. Step 4: Simplify right side
    481,353.47x = 164,990,398,506.20
  5. Step 5: Solve for x
    x = 164,990,398,506.20/481,353.47
  6. Step 6: Final answer
    x = 342,763.50

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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.