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Finding the Fourth Proportional to 508,459.37, 701,500.13 and 290,511.66

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Solution

The fourth proportional to 508,459.37, 701,500.13 and 290,511.66 is: 400,806.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    508,459.37 : 701,500.13 = 290,511.66 : x
  2. Step 2: Convert to fraction form
    508,459.37/701,500.13 = 290,511.66/x
  3. Step 3: Cross multiply
    508,459.37x = 701,500.13 × 290,511.66
  4. Step 4: Simplify right side
    508,459.37x = 203,793,967,610.82
  5. Step 5: Solve for x
    x = 203,793,967,610.82/508,459.37
  6. Step 6: Final answer
    x = 400,806.79

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