Home / 550,972.83-760,301.24-305,971.43

Finding the Fourth Proportional to 550,972.83, 760,301.24 and 305,971.43

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Solution

The fourth proportional to 550,972.83, 760,301.24 and 305,971.43 is: 422,217.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    550,972.83 : 760,301.24 = 305,971.43 : x
  2. Step 2: Convert to fraction form
    550,972.83/760,301.24 = 305,971.43/x
  3. Step 3: Cross multiply
    550,972.83x = 760,301.24 × 305,971.43
  4. Step 4: Simplify right side
    550,972.83x = 232,630,452,302.21
  5. Step 5: Solve for x
    x = 232,630,452,302.21/550,972.83
  6. Step 6: Final answer
    x = 422,217.64

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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.