Home / 851,845.80-1,276,683.30-452,677.80

Finding the Fourth Proportional to 851,845.80, 1,276,683.30 and 452,677.80

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Solution

The fourth proportional to 851,845.80, 1,276,683.30 and 452,677.80 is: 678,439.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,845.80 : 1,276,683.30 = 452,677.80 : x
  2. Step 2: Convert to fraction form
    851,845.80/1,276,683.30 = 452,677.80/x
  3. Step 3: Cross multiply
    851,845.80x = 1,276,683.30 × 452,677.80
  4. Step 4: Simplify right side
    851,845.80x = 577,926,187,540.74
  5. Step 5: Solve for x
    x = 577,926,187,540.74/851,845.80
  6. Step 6: Final answer
    x = 678,439.91

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1.5x scale

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.