Home / 1,087,653.60-1,630,842.12-329,266.80

Finding the Fourth Proportional to 1,087,653.60, 1,630,842.12 and 329,266.80

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Solution

The fourth proportional to 1,087,653.60, 1,630,842.12 and 329,266.80 is: 493,706.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,653.60 : 1,630,842.12 = 329,266.80 : x
  2. Step 2: Convert to fraction form
    1,087,653.60/1,630,842.12 = 329,266.80/x
  3. Step 3: Cross multiply
    1,087,653.60x = 1,630,842.12 × 329,266.80
  4. Step 4: Simplify right side
    1,087,653.60x = 536,982,166,157.62
  5. Step 5: Solve for x
    x = 536,982,166,157.62/1,087,653.60
  6. Step 6: Final answer
    x = 493,706.97

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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.