Home / 991,847.15-1,487,910.83-317,770.77

Finding the Fourth Proportional to 991,847.15, 1,487,910.83 and 317,770.77

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Solution

The fourth proportional to 991,847.15, 1,487,910.83 and 317,770.77 is: 476,701.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,847.15 : 1,487,910.83 = 317,770.77 : x
  2. Step 2: Convert to fraction form
    991,847.15/1,487,910.83 = 317,770.77/x
  3. Step 3: Cross multiply
    991,847.15x = 1,487,910.83 × 317,770.77
  4. Step 4: Simplify right side
    991,847.15x = 472,814,568,551.59
  5. Step 5: Solve for x
    x = 472,814,568,551.59/991,847.15
  6. Step 6: Final answer
    x = 476,701.04

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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.