Home / 675,389.75-1,012,581.61-409,086.05

Finding the Fourth Proportional to 675,389.75, 1,012,581.61 and 409,086.05

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Solution

The fourth proportional to 675,389.75, 1,012,581.61 and 409,086.05 is: 613,324.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,389.75 : 1,012,581.61 = 409,086.05 : x
  2. Step 2: Convert to fraction form
    675,389.75/1,012,581.61 = 409,086.05/x
  3. Step 3: Cross multiply
    675,389.75x = 1,012,581.61 × 409,086.05
  4. Step 4: Simplify right side
    675,389.75x = 414,233,005,051.92
  5. Step 5: Solve for x
    x = 414,233,005,051.92/675,389.75
  6. Step 6: Final answer
    x = 613,324.39

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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.