Home / 851,919.80-1,276,794.30-452,751.80

Finding the Fourth Proportional to 851,919.80, 1,276,794.30 and 452,751.80

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Solution

The fourth proportional to 851,919.80, 1,276,794.30 and 452,751.80 is: 678,550.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,919.80 : 1,276,794.30 = 452,751.80 : x
  2. Step 2: Convert to fraction form
    851,919.80/1,276,794.30 = 452,751.80/x
  3. Step 3: Cross multiply
    851,919.80x = 1,276,794.30 × 452,751.80
  4. Step 4: Simplify right side
    851,919.80x = 578,070,917,554.74
  5. Step 5: Solve for x
    x = 578,070,917,554.74/851,919.80
  6. Step 6: Final answer
    x = 678,550.87

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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.