Home / 860,502.84-1,290,704.94-328,077.60

Finding the Fourth Proportional to 860,502.84, 1,290,704.94 and 328,077.60

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Solution

The fourth proportional to 860,502.84, 1,290,704.94 and 328,077.60 is: 492,097.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,502.84 : 1,290,704.94 = 328,077.60 : x
  2. Step 2: Convert to fraction form
    860,502.84/1,290,704.94 = 328,077.60/x
  3. Step 3: Cross multiply
    860,502.84x = 1,290,704.94 × 328,077.60
  4. Step 4: Simplify right side
    860,502.84x = 423,451,379,023.34
  5. Step 5: Solve for x
    x = 423,451,379,023.34/860,502.84
  6. Step 6: Final answer
    x = 492,097.60

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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.