Home / 991,846.88-1,487,910.46-317,770.52

Finding the Fourth Proportional to 991,846.88, 1,487,910.46 and 317,770.52

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Solution

The fourth proportional to 991,846.88, 1,487,910.46 and 317,770.52 is: 476,700.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,846.88 : 1,487,910.46 = 317,770.52 : x
  2. Step 2: Convert to fraction form
    991,846.88/1,487,910.46 = 317,770.52/x
  3. Step 3: Cross multiply
    991,846.88x = 1,487,910.46 × 317,770.52
  4. Step 4: Simplify right side
    991,846.88x = 472,814,080,587.64
  5. Step 5: Solve for x
    x = 472,814,080,587.64/991,846.88
  6. Step 6: Final answer
    x = 476,700.68

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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.