Home / 677,090.79-1,015,650.77-322,140.69

Finding the Fourth Proportional to 677,090.79, 1,015,650.77 and 322,140.69

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Solution

The fourth proportional to 677,090.79, 1,015,650.77 and 322,140.69 is: 483,217.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,090.79 : 1,015,650.77 = 322,140.69 : x
  2. Step 2: Convert to fraction form
    677,090.79/1,015,650.77 = 322,140.69/x
  3. Step 3: Cross multiply
    677,090.79x = 1,015,650.77 × 322,140.69
  4. Step 4: Simplify right side
    677,090.79x = 327,182,438,236.13
  5. Step 5: Solve for x
    x = 327,182,438,236.13/677,090.79
  6. Step 6: Final answer
    x = 483,217.97

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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.