Home / 564,277.64-845,918.22-431,749.54

Finding the Fourth Proportional to 564,277.64, 845,918.22 and 431,749.54

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Solution

The fourth proportional to 564,277.64, 845,918.22 and 431,749.54 is: 647,243.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    564,277.64 : 845,918.22 = 431,749.54 : x
  2. Step 2: Convert to fraction form
    564,277.64/845,918.22 = 431,749.54/x
  3. Step 3: Cross multiply
    564,277.64x = 845,918.22 × 431,749.54
  4. Step 4: Simplify right side
    564,277.64x = 365,224,802,362.62
  5. Step 5: Solve for x
    x = 365,224,802,362.62/564,277.64
  6. Step 6: Final answer
    x = 647,243.09

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1.5x scale

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.