Home / 837,699.60-1,257,274.92-438,619.44

Finding the Fourth Proportional to 837,699.60, 1,257,274.92 and 438,619.44

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Solution

The fourth proportional to 837,699.60, 1,257,274.92 and 438,619.44 is: 658,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    837,699.60 : 1,257,274.92 = 438,619.44 : x
  2. Step 2: Convert to fraction form
    837,699.60/1,257,274.92 = 438,619.44/x
  3. Step 3: Cross multiply
    837,699.60x = 1,257,274.92 × 438,619.44
  4. Step 4: Simplify right side
    837,699.60x = 551,465,221,336.45
  5. Step 5: Solve for x
    x = 551,465,221,336.45/837,699.60
  6. Step 6: Final answer
    x = 658,309.04

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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.