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Finding the Fourth Proportional to 605,361.36, 835,404.33 and 333,430.26

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Solution

The fourth proportional to 605,361.36, 835,404.33 and 333,430.26 is: 460,136.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    605,361.36 : 835,404.33 = 333,430.26 : x
  2. Step 2: Convert to fraction form
    605,361.36/835,404.33 = 333,430.26/x
  3. Step 3: Cross multiply
    605,361.36x = 835,404.33 × 333,430.26
  4. Step 4: Simplify right side
    605,361.36x = 278,549,082,957.03
  5. Step 5: Solve for x
    x = 278,549,082,957.03/605,361.36
  6. Step 6: Final answer
    x = 460,136.87

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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.