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Finding the Fourth Proportional to 505,883.34, 697,880.34 and 301,817.52

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Solution

The fourth proportional to 505,883.34, 697,880.34 and 301,817.52 is: 416,365.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,883.34 : 697,880.34 = 301,817.52 : x
  2. Step 2: Convert to fraction form
    505,883.34/697,880.34 = 301,817.52/x
  3. Step 3: Cross multiply
    505,883.34x = 697,880.34 × 301,817.52
  4. Step 4: Simplify right side
    505,883.34x = 210,632,513,475.56
  5. Step 5: Solve for x
    x = 210,632,513,475.56/505,883.34
  6. Step 6: Final answer
    x = 416,365.78

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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.