Home / 762,446.08-1,052,180.64-422,920

Finding the Fourth Proportional to 762,446.08, 1,052,180.64 and 422,920

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Solution

The fourth proportional to 762,446.08, 1,052,180.64 and 422,920 is: 583,632.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,446.08 : 1,052,180.64 = 422,920 : x
  2. Step 2: Convert to fraction form
    762,446.08/1,052,180.64 = 422,920/x
  3. Step 3: Cross multiply
    762,446.08x = 1,052,180.64 × 422,920
  4. Step 4: Simplify right side
    762,446.08x = 444,988,236,268.80
  5. Step 5: Solve for x
    x = 444,988,236,268.80/762,446.08
  6. Step 6: Final answer
    x = 583,632.40

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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.