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Finding the Fourth Proportional to 573,594.86, 860,507.22 and 321,234.32

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Solution

The fourth proportional to 573,594.86, 860,507.22 and 321,234.32 is: 481,915.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    573,594.86 : 860,507.22 = 321,234.32 : x
  2. Step 2: Convert to fraction form
    573,594.86/860,507.22 = 321,234.32/x
  3. Step 3: Cross multiply
    573,594.86x = 860,507.22 × 321,234.32
  4. Step 4: Simplify right side
    573,594.86x = 276,424,451,671.79
  5. Step 5: Solve for x
    x = 276,424,451,671.79/573,594.86
  6. Step 6: Final answer
    x = 481,915.85

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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.