Home / 860,851.20-1,291,276.80-546,700.80

Finding the Fourth Proportional to 860,851.20, 1,291,276.80 and 546,700.80

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Solution

The fourth proportional to 860,851.20, 1,291,276.80 and 546,700.80 is: 820,051.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,851.20 : 1,291,276.80 = 546,700.80 : x
  2. Step 2: Convert to fraction form
    860,851.20/1,291,276.80 = 546,700.80/x
  3. Step 3: Cross multiply
    860,851.20x = 1,291,276.80 × 546,700.80
  4. Step 4: Simplify right side
    860,851.20x = 705,942,059,581.44
  5. Step 5: Solve for x
    x = 705,942,059,581.44/860,851.20
  6. Step 6: Final answer
    x = 820,051.20

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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.