Home / 778,847.20-1,168,270.80-335,615.20

Finding the Fourth Proportional to 778,847.20, 1,168,270.80 and 335,615.20

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Solution

The fourth proportional to 778,847.20, 1,168,270.80 and 335,615.20 is: 503,422.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,847.20 : 1,168,270.80 = 335,615.20 : x
  2. Step 2: Convert to fraction form
    778,847.20/1,168,270.80 = 335,615.20/x
  3. Step 3: Cross multiply
    778,847.20x = 1,168,270.80 × 335,615.20
  4. Step 4: Simplify right side
    778,847.20x = 392,089,438,196.16
  5. Step 5: Solve for x
    x = 392,089,438,196.16/778,847.20
  6. Step 6: Final answer
    x = 503,422.80

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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.