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Finding the Fourth Proportional to 458,605.09, 632,933.42 and 277,318.32

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Solution

The fourth proportional to 458,605.09, 632,933.42 and 277,318.32 is: 382,734.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    458,605.09 : 632,933.42 = 277,318.32 : x
  2. Step 2: Convert to fraction form
    458,605.09/632,933.42 = 277,318.32/x
  3. Step 3: Cross multiply
    458,605.09x = 632,933.42 × 277,318.32
  4. Step 4: Simplify right side
    458,605.09x = 175,524,032,706.25
  5. Step 5: Solve for x
    x = 175,524,032,706.25/458,605.09
  6. Step 6: Final answer
    x = 382,734.59

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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.