Home / 860,857.20-1,291,285.80-546,706.80

Finding the Fourth Proportional to 860,857.20, 1,291,285.80 and 546,706.80

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Solution

The fourth proportional to 860,857.20, 1,291,285.80 and 546,706.80 is: 820,060.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,857.20 : 1,291,285.80 = 546,706.80 : x
  2. Step 2: Convert to fraction form
    860,857.20/1,291,285.80 = 546,706.80/x
  3. Step 3: Cross multiply
    860,857.20x = 1,291,285.80 × 546,706.80
  4. Step 4: Simplify right side
    860,857.20x = 705,954,727,603.44
  5. Step 5: Solve for x
    x = 705,954,727,603.44/860,857.20
  6. Step 6: Final answer
    x = 820,060.20

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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.