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Finding the Fourth Proportional to 605,242.53, 907,355.52 and 263,430.63

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Solution

The fourth proportional to 605,242.53, 907,355.52 and 263,430.63 is: 394,924.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,242.53 : 907,355.52 = 263,430.63 : x
  2. Step 2: Convert to fraction form
    605,242.53/907,355.52 = 263,430.63/x
  3. Step 3: Cross multiply
    605,242.53x = 907,355.52 × 263,430.63
  4. Step 4: Simplify right side
    605,242.53x = 239,025,236,267.58
  5. Step 5: Solve for x
    x = 239,025,236,267.58/605,242.53
  6. Step 6: Final answer
    x = 394,924.72

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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.