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Finding the Fourth Proportional to 605,321.63, 835,381.77 and 333,389.46

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Solution

The fourth proportional to 605,321.63, 835,381.77 and 333,389.46 is: 460,098.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,321.63 : 835,381.77 = 333,389.46 : x
  2. Step 2: Convert to fraction form
    605,321.63/835,381.77 = 333,389.46/x
  3. Step 3: Cross multiply
    605,321.63x = 835,381.77 × 333,389.46
  4. Step 4: Simplify right side
    605,321.63x = 278,507,475,527.20
  5. Step 5: Solve for x
    x = 278,507,475,527.20/605,321.63
  6. Step 6: Final answer
    x = 460,098.34

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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.