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Finding the Fourth Proportional to 567,110, 782,586.60 and 308,987.84

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Solution

The fourth proportional to 567,110, 782,586.60 and 308,987.84 is: 426,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,110 : 782,586.60 = 308,987.84 : x
  2. Step 2: Convert to fraction form
    567,110/782,586.60 = 308,987.84/x
  3. Step 3: Cross multiply
    567,110x = 782,586.60 × 308,987.84
  4. Step 4: Simplify right side
    567,110x = 241,809,743,146.94
  5. Step 5: Solve for x
    x = 241,809,743,146.94/567,110
  6. Step 6: Final answer
    x = 426,389.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.