Home / 851,971.80-1,276,872.30-452,803.80

Finding the Fourth Proportional to 851,971.80, 1,276,872.30 and 452,803.80

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Solution

The fourth proportional to 851,971.80, 1,276,872.30 and 452,803.80 is: 678,628.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,971.80 : 1,276,872.30 = 452,803.80 : x
  2. Step 2: Convert to fraction form
    851,971.80/1,276,872.30 = 452,803.80/x
  3. Step 3: Cross multiply
    851,971.80x = 1,276,872.30 × 452,803.80
  4. Step 4: Simplify right side
    851,971.80x = 578,172,629,554.74
  5. Step 5: Solve for x
    x = 578,172,629,554.74/851,971.80
  6. Step 6: Final answer
    x = 678,628.83

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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.