Home / 830,028.60-1,244,872.80-230,839.20

Finding the Fourth Proportional to 830,028.60, 1,244,872.80 and 230,839.20

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Solution

The fourth proportional to 830,028.60, 1,244,872.80 and 230,839.20 is: 346,211.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,028.60 : 1,244,872.80 = 230,839.20 : x
  2. Step 2: Convert to fraction form
    830,028.60/1,244,872.80 = 230,839.20/x
  3. Step 3: Cross multiply
    830,028.60x = 1,244,872.80 × 230,839.20
  4. Step 4: Simplify right side
    830,028.60x = 287,365,441,253.76
  5. Step 5: Solve for x
    x = 287,365,441,253.76/830,028.60
  6. Step 6: Final answer
    x = 346,211.49

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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.