Home / 860,180.61-1,290,768.62-354,647.37

Finding the Fourth Proportional to 860,180.61, 1,290,768.62 and 354,647.37

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Solution

The fourth proportional to 860,180.61, 1,290,768.62 and 354,647.37 is: 532,176.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,180.61 : 1,290,768.62 = 354,647.37 : x
  2. Step 2: Convert to fraction form
    860,180.61/1,290,768.62 = 354,647.37/x
  3. Step 3: Cross multiply
    860,180.61x = 1,290,768.62 × 354,647.37
  4. Step 4: Simplify right side
    860,180.61x = 457,767,694,588.29
  5. Step 5: Solve for x
    x = 457,767,694,588.29/860,180.61
  6. Step 6: Final answer
    x = 532,176.25

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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.