Home / 567,189.35-782,741.09-309,087.57

Finding the Fourth Proportional to 567,189.35, 782,741.09 and 309,087.57

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Solution

The fourth proportional to 567,189.35, 782,741.09 and 309,087.57 is: 426,551.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    567,189.35 : 782,741.09 = 309,087.57 : x
  2. Step 2: Convert to fraction form
    567,189.35/782,741.09 = 309,087.57/x
  3. Step 3: Cross multiply
    567,189.35x = 782,741.09 × 309,087.57
  4. Step 4: Simplify right side
    567,189.35x = 241,935,541,447.25
  5. Step 5: Solve for x
    x = 241,935,541,447.25/567,189.35
  6. Step 6: Final answer
    x = 426,551.63

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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.