Home / 929,071.20-1,393,606.80-264,136.80

Finding the Fourth Proportional to 929,071.20, 1,393,606.80 and 264,136.80

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Solution

The fourth proportional to 929,071.20, 1,393,606.80 and 264,136.80 is: 396,205.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,071.20 : 1,393,606.80 = 264,136.80 : x
  2. Step 2: Convert to fraction form
    929,071.20/1,393,606.80 = 264,136.80/x
  3. Step 3: Cross multiply
    929,071.20x = 1,393,606.80 × 264,136.80
  4. Step 4: Simplify right side
    929,071.20x = 368,102,840,610.24
  5. Step 5: Solve for x
    x = 368,102,840,610.24/929,071.20
  6. Step 6: Final answer
    x = 396,205.20

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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.