Home / 823,564.08-1,234,940.40-343,646.64

Finding the Fourth Proportional to 823,564.08, 1,234,940.40 and 343,646.64

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Solution

The fourth proportional to 823,564.08, 1,234,940.40 and 343,646.64 is: 515,300.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,564.08 : 1,234,940.40 = 343,646.64 : x
  2. Step 2: Convert to fraction form
    823,564.08/1,234,940.40 = 343,646.64/x
  3. Step 3: Cross multiply
    823,564.08x = 1,234,940.40 × 343,646.64
  4. Step 4: Simplify right side
    823,564.08x = 424,383,119,060.26
  5. Step 5: Solve for x
    x = 424,383,119,060.26/823,564.08
  6. Step 6: Final answer
    x = 515,300.67

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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.