Home / 849,613.68-1,274,235.64-280,860.41

Finding the Fourth Proportional to 849,613.68, 1,274,235.64 and 280,860.41

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Solution

The fourth proportional to 849,613.68, 1,274,235.64 and 280,860.41 is: 421,229.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,613.68 : 1,274,235.64 = 280,860.41 : x
  2. Step 2: Convert to fraction form
    849,613.68/1,274,235.64 = 280,860.41/x
  3. Step 3: Cross multiply
    849,613.68x = 1,274,235.64 × 280,860.41
  4. Step 4: Simplify right side
    849,613.68x = 357,882,346,770.45
  5. Step 5: Solve for x
    x = 357,882,346,770.45/849,613.68
  6. Step 6: Final answer
    x = 421,229.50

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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.