Home / 1,087,236.80-1,630,847.10-329,076.80

Finding the Fourth Proportional to 1,087,236.80, 1,630,847.10 and 329,076.80

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Solution

The fourth proportional to 1,087,236.80, 1,630,847.10 and 329,076.80 is: 493,612.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,236.80 : 1,630,847.10 = 329,076.80 : x
  2. Step 2: Convert to fraction form
    1,087,236.80/1,630,847.10 = 329,076.80/x
  3. Step 3: Cross multiply
    1,087,236.80x = 1,630,847.10 × 329,076.80
  4. Step 4: Simplify right side
    1,087,236.80x = 536,673,944,957.28
  5. Step 5: Solve for x
    x = 536,673,944,957.28/1,087,236.80
  6. Step 6: Final answer
    x = 493,612.75

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Double scale
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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.