Home / 846,029.10-1,269,216.45-285,120.30

Finding the Fourth Proportional to 846,029.10, 1,269,216.45 and 285,120.30

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Solution

The fourth proportional to 846,029.10, 1,269,216.45 and 285,120.30 is: 427,738.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,029.10 : 1,269,216.45 = 285,120.30 : x
  2. Step 2: Convert to fraction form
    846,029.10/1,269,216.45 = 285,120.30/x
  3. Step 3: Cross multiply
    846,029.10x = 1,269,216.45 × 285,120.30
  4. Step 4: Simplify right side
    846,029.10x = 361,879,374,988.94
  5. Step 5: Solve for x
    x = 361,879,374,988.94/846,029.10
  6. Step 6: Final answer
    x = 427,738.69

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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.