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Finding the Fourth Proportional to 434,560.60, 651,063.30 and 355,245.40

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Solution

The fourth proportional to 434,560.60, 651,063.30 and 355,245.40 is: 532,232.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,560.60 : 651,063.30 = 355,245.40 : x
  2. Step 2: Convert to fraction form
    434,560.60/651,063.30 = 355,245.40/x
  3. Step 3: Cross multiply
    434,560.60x = 651,063.30 × 355,245.40
  4. Step 4: Simplify right side
    434,560.60x = 231,287,242,433.82
  5. Step 5: Solve for x
    x = 231,287,242,433.82/434,560.60
  6. Step 6: Final answer
    x = 532,232.43

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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.