Home / 3,078,354.80-4,617,532.20-834,492.80

Finding the Fourth Proportional to 3,078,354.80, 4,617,532.20 and 834,492.80

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Solution

The fourth proportional to 3,078,354.80, 4,617,532.20 and 834,492.80 is: 1,251,739.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,078,354.80 : 4,617,532.20 = 834,492.80 : x
  2. Step 2: Convert to fraction form
    3,078,354.80/4,617,532.20 = 834,492.80/x
  3. Step 3: Cross multiply
    3,078,354.80x = 4,617,532.20 × 834,492.80
  4. Step 4: Simplify right side
    3,078,354.80x = 3,853,297,374,668.16
  5. Step 5: Solve for x
    x = 3,853,297,374,668.16/3,078,354.80
  6. Step 6: Final answer
    x = 1,251,739.20

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Similar ratio
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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.