Home / 434,546.20-651,819.30-368,280.10

Finding the Fourth Proportional to 434,546.20, 651,819.30 and 368,280.10

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Solution

The fourth proportional to 434,546.20, 651,819.30 and 368,280.10 is: 552,420.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    434,546.20 : 651,819.30 = 368,280.10 : x
  2. Step 2: Convert to fraction form
    434,546.20/651,819.30 = 368,280.10/x
  3. Step 3: Cross multiply
    434,546.20x = 651,819.30 × 368,280.10
  4. Step 4: Simplify right side
    434,546.20x = 240,052,076,985.93
  5. Step 5: Solve for x
    x = 240,052,076,985.93/434,546.20
  6. Step 6: Final answer
    x = 552,420.15

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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.