Home / 792,820.48-1,189,412.40-343,616.80

Finding the Fourth Proportional to 792,820.48, 1,189,412.40 and 343,616.80

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Solution

The fourth proportional to 792,820.48, 1,189,412.40 and 343,616.80 is: 515,503.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,820.48 : 1,189,412.40 = 343,616.80 : x
  2. Step 2: Convert to fraction form
    792,820.48/1,189,412.40 = 343,616.80/x
  3. Step 3: Cross multiply
    792,820.48x = 1,189,412.40 × 343,616.80
  4. Step 4: Simplify right side
    792,820.48x = 408,702,082,768.32
  5. Step 5: Solve for x
    x = 408,702,082,768.32/792,820.48
  6. Step 6: Final answer
    x = 515,503.94

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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.