Home / 847,676.58-1,271,317.77-315,448.26

Finding the Fourth Proportional to 847,676.58, 1,271,317.77 and 315,448.26

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Solution

The fourth proportional to 847,676.58, 1,271,317.77 and 315,448.26 is: 473,099.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,676.58 : 1,271,317.77 = 315,448.26 : x
  2. Step 2: Convert to fraction form
    847,676.58/1,271,317.77 = 315,448.26/x
  3. Step 3: Cross multiply
    847,676.58x = 1,271,317.77 × 315,448.26
  4. Step 4: Simplify right side
    847,676.58x = 401,034,978,453.58
  5. Step 5: Solve for x
    x = 401,034,978,453.58/847,676.58
  6. Step 6: Final answer
    x = 473,099.04

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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.