Home / 807,842.60-1,211,763.90-275,964.20

Finding the Fourth Proportional to 807,842.60, 1,211,763.90 and 275,964.20

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Solution

The fourth proportional to 807,842.60, 1,211,763.90 and 275,964.20 is: 413,946.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    807,842.60 : 1,211,763.90 = 275,964.20 : x
  2. Step 2: Convert to fraction form
    807,842.60/1,211,763.90 = 275,964.20/x
  3. Step 3: Cross multiply
    807,842.60x = 1,211,763.90 × 275,964.20
  4. Step 4: Simplify right side
    807,842.60x = 334,403,455,252.38
  5. Step 5: Solve for x
    x = 334,403,455,252.38/807,842.60
  6. Step 6: Final answer
    x = 413,946.30

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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.