Home / 799,792.86-1,199,447.10-420,509.22

Finding the Fourth Proportional to 799,792.86, 1,199,447.10 and 420,509.22

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Solution

The fourth proportional to 799,792.86, 1,199,447.10 and 420,509.22 is: 630,636.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,792.86 : 1,199,447.10 = 420,509.22 : x
  2. Step 2: Convert to fraction form
    799,792.86/1,199,447.10 = 420,509.22/x
  3. Step 3: Cross multiply
    799,792.86x = 1,199,447.10 × 420,509.22
  4. Step 4: Simplify right side
    799,792.86x = 504,378,564,452.26
  5. Step 5: Solve for x
    x = 504,378,564,452.26/799,792.86
  6. Step 6: Final answer
    x = 630,636.49

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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.