Home / 926,415.79-1,389,735.76-327,254.33

Finding the Fourth Proportional to 926,415.79, 1,389,735.76 and 327,254.33

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Solution

The fourth proportional to 926,415.79, 1,389,735.76 and 327,254.33 is: 490,921.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,415.79 : 1,389,735.76 = 327,254.33 : x
  2. Step 2: Convert to fraction form
    926,415.79/1,389,735.76 = 327,254.33/x
  3. Step 3: Cross multiply
    926,415.79x = 1,389,735.76 × 327,254.33
  4. Step 4: Simplify right side
    926,415.79x = 454,797,045,015.84
  5. Step 5: Solve for x
    x = 454,797,045,015.84/926,415.79
  6. Step 6: Final answer
    x = 490,921.09

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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.