Home / 847,677.58-1,271,319.27-315,449.26

Finding the Fourth Proportional to 847,677.58, 1,271,319.27 and 315,449.26

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Solution

The fourth proportional to 847,677.58, 1,271,319.27 and 315,449.26 is: 473,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,677.58 : 1,271,319.27 = 315,449.26 : x
  2. Step 2: Convert to fraction form
    847,677.58/1,271,319.27 = 315,449.26/x
  3. Step 3: Cross multiply
    847,677.58x = 1,271,319.27 × 315,449.26
  4. Step 4: Simplify right side
    847,677.58x = 401,036,722,945.24
  5. Step 5: Solve for x
    x = 401,036,722,945.24/847,677.58
  6. Step 6: Final answer
    x = 473,100.54

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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.