Home / 791,768.80-1,187,653.20-230,821.60

Finding the Fourth Proportional to 791,768.80, 1,187,653.20 and 230,821.60

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Solution

The fourth proportional to 791,768.80, 1,187,653.20 and 230,821.60 is: 346,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,768.80 : 1,187,653.20 = 230,821.60 : x
  2. Step 2: Convert to fraction form
    791,768.80/1,187,653.20 = 230,821.60/x
  3. Step 3: Cross multiply
    791,768.80x = 1,187,653.20 × 230,821.60
  4. Step 4: Simplify right side
    791,768.80x = 274,136,011,869.12
  5. Step 5: Solve for x
    x = 274,136,011,869.12/791,768.80
  6. Step 6: Final answer
    x = 346,232.40

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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.