Home / 830,670.96-1,245,474.13-350,768.78

Finding the Fourth Proportional to 830,670.96, 1,245,474.13 and 350,768.78

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Solution

The fourth proportional to 830,670.96, 1,245,474.13 and 350,768.78 is: 525,928.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    830,670.96 : 1,245,474.13 = 350,768.78 : x
  2. Step 2: Convert to fraction form
    830,670.96/1,245,474.13 = 350,768.78/x
  3. Step 3: Cross multiply
    830,670.96x = 1,245,474.13 × 350,768.78
  4. Step 4: Simplify right side
    830,670.96x = 436,873,441,101.66
  5. Step 5: Solve for x
    x = 436,873,441,101.66/830,670.96
  6. Step 6: Final answer
    x = 525,928.39

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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.