Home / 825,225.40-1,237,838.10-264,316.60

Finding the Fourth Proportional to 825,225.40, 1,237,838.10 and 264,316.60

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Solution

The fourth proportional to 825,225.40, 1,237,838.10 and 264,316.60 is: 396,474.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    825,225.40 : 1,237,838.10 = 264,316.60 : x
  2. Step 2: Convert to fraction form
    825,225.40/1,237,838.10 = 264,316.60/x
  3. Step 3: Cross multiply
    825,225.40x = 1,237,838.10 × 264,316.60
  4. Step 4: Simplify right side
    825,225.40x = 327,181,157,942.46
  5. Step 5: Solve for x
    x = 327,181,157,942.46/825,225.40
  6. Step 6: Final answer
    x = 396,474.90

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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.