Home / 860,522.43-1,290,734.10-328,097.28

Finding the Fourth Proportional to 860,522.43, 1,290,734.10 and 328,097.28

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Solution

The fourth proportional to 860,522.43, 1,290,734.10 and 328,097.28 is: 492,127.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,522.43 : 1,290,734.10 = 328,097.28 : x
  2. Step 2: Convert to fraction form
    860,522.43/1,290,734.10 = 328,097.28/x
  3. Step 3: Cross multiply
    860,522.43x = 1,290,734.10 × 328,097.28
  4. Step 4: Simplify right side
    860,522.43x = 423,486,347,413.25
  5. Step 5: Solve for x
    x = 423,486,347,413.25/860,522.43
  6. Step 6: Final answer
    x = 492,127.03

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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.