Home / 422,748.36-583,386.03-231,763.05

Finding the Fourth Proportional to 422,748.36, 583,386.03 and 231,763.05

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Solution

The fourth proportional to 422,748.36, 583,386.03 and 231,763.05 is: 319,829.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    422,748.36 : 583,386.03 = 231,763.05 : x
  2. Step 2: Convert to fraction form
    422,748.36/583,386.03 = 231,763.05/x
  3. Step 3: Cross multiply
    422,748.36x = 583,386.03 × 231,763.05
  4. Step 4: Simplify right side
    422,748.36x = 135,207,325,640.19
  5. Step 5: Solve for x
    x = 135,207,325,640.19/422,748.36
  6. Step 6: Final answer
    x = 319,829.33

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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.