Home / 846,169.96-1,269,255.42-420,000.22

Finding the Fourth Proportional to 846,169.96, 1,269,255.42 and 420,000.22

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Solution

The fourth proportional to 846,169.96, 1,269,255.42 and 420,000.22 is: 630,000.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,169.96 : 1,269,255.42 = 420,000.22 : x
  2. Step 2: Convert to fraction form
    846,169.96/1,269,255.42 = 420,000.22/x
  3. Step 3: Cross multiply
    846,169.96x = 1,269,255.42 × 420,000.22
  4. Step 4: Simplify right side
    846,169.96x = 533,087,555,636.19
  5. Step 5: Solve for x
    x = 533,087,555,636.19/846,169.96
  6. Step 6: Final answer
    x = 630,000.57

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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.