Home / 762,389.92-1,052,098.78-422,858.18

Finding the Fourth Proportional to 762,389.92, 1,052,098.78 and 422,858.18

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Solution

The fourth proportional to 762,389.92, 1,052,098.78 and 422,858.18 is: 583,544.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,389.92 : 1,052,098.78 = 422,858.18 : x
  2. Step 2: Convert to fraction form
    762,389.92/1,052,098.78 = 422,858.18/x
  3. Step 3: Cross multiply
    762,389.92x = 1,052,098.78 × 422,858.18
  4. Step 4: Simplify right side
    762,389.92x = 444,888,575,291.02
  5. Step 5: Solve for x
    x = 444,888,575,291.02/762,389.92
  6. Step 6: Final answer
    x = 583,544.67

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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.