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Finding the Fourth Proportional to 507,486.35, 760,991.15 and 294,314.85

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Solution

The fourth proportional to 507,486.35, 760,991.15 and 294,314.85 is: 441,334.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    507,486.35 : 760,991.15 = 294,314.85 : x
  2. Step 2: Convert to fraction form
    507,486.35/760,991.15 = 294,314.85/x
  3. Step 3: Cross multiply
    507,486.35x = 760,991.15 × 294,314.85
  4. Step 4: Simplify right side
    507,486.35x = 223,970,996,899.37
  5. Step 5: Solve for x
    x = 223,970,996,899.37/507,486.35
  6. Step 6: Final answer
    x = 441,334.03

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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.