Home / 699,515.34-1,049,272.08-279,086.46

Finding the Fourth Proportional to 699,515.34, 1,049,272.08 and 279,086.46

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Solution

The fourth proportional to 699,515.34, 1,049,272.08 and 279,086.46 is: 418,629.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,515.34 : 1,049,272.08 = 279,086.46 : x
  2. Step 2: Convert to fraction form
    699,515.34/1,049,272.08 = 279,086.46/x
  3. Step 3: Cross multiply
    699,515.34x = 1,049,272.08 × 279,086.46
  4. Step 4: Simplify right side
    699,515.34x = 292,837,630,384.04
  5. Step 5: Solve for x
    x = 292,837,630,384.04/699,515.34
  6. Step 6: Final answer
    x = 418,629.32

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Double scale
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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.