Home / 646,401.24-969,669.36-247,039.20

Finding the Fourth Proportional to 646,401.24, 969,669.36 and 247,039.20

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Solution

The fourth proportional to 646,401.24, 969,669.36 and 247,039.20 is: 370,584.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,401.24 : 969,669.36 = 247,039.20 : x
  2. Step 2: Convert to fraction form
    646,401.24/969,669.36 = 247,039.20/x
  3. Step 3: Cross multiply
    646,401.24x = 969,669.36 × 247,039.20
  4. Step 4: Simplify right side
    646,401.24x = 239,546,342,958.91
  5. Step 5: Solve for x
    x = 239,546,342,958.91/646,401.24
  6. Step 6: Final answer
    x = 370,584.60

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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.