Home / 505,285.47-757,549.08-305,564.94

Finding the Fourth Proportional to 505,285.47, 757,549.08 and 305,564.94

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Solution

The fourth proportional to 505,285.47, 757,549.08 and 305,564.94 is: 458,118.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,285.47 : 757,549.08 = 305,564.94 : x
  2. Step 2: Convert to fraction form
    505,285.47/757,549.08 = 305,564.94/x
  3. Step 3: Cross multiply
    505,285.47x = 757,549.08 × 305,564.94
  4. Step 4: Simplify right side
    505,285.47x = 231,480,439,177.26
  5. Step 5: Solve for x
    x = 231,480,439,177.26/505,285.47
  6. Step 6: Final answer
    x = 458,118.14

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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.