Home / 669,622.41-1,003,579.47-313,852.59

Finding the Fourth Proportional to 669,622.41, 1,003,579.47 and 313,852.59

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Solution

The fourth proportional to 669,622.41, 1,003,579.47 and 313,852.59 is: 470,378.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,622.41 : 1,003,579.47 = 313,852.59 : x
  2. Step 2: Convert to fraction form
    669,622.41/1,003,579.47 = 313,852.59/x
  3. Step 3: Cross multiply
    669,622.41x = 1,003,579.47 × 313,852.59
  4. Step 4: Simplify right side
    669,622.41x = 314,976,015,930.33
  5. Step 5: Solve for x
    x = 314,976,015,930.33/669,622.41
  6. Step 6: Final answer
    x = 470,378.55

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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.