Home / 762,391.26-1,052,225.91-422,968.86

Finding the Fourth Proportional to 762,391.26, 1,052,225.91 and 422,968.86

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Solution

The fourth proportional to 762,391.26, 1,052,225.91 and 422,968.86 is: 583,766.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,391.26 : 1,052,225.91 = 422,968.86 : x
  2. Step 2: Convert to fraction form
    762,391.26/1,052,225.91 = 422,968.86/x
  3. Step 3: Cross multiply
    762,391.26x = 1,052,225.91 × 422,968.86
  4. Step 4: Simplify right side
    762,391.26x = 445,058,793,615.16
  5. Step 5: Solve for x
    x = 445,058,793,615.16/762,391.26
  6. Step 6: Final answer
    x = 583,766.91

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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.