Home / 689,954.68-1,033,783.74-240,427.78

Finding the Fourth Proportional to 689,954.68, 1,033,783.74 and 240,427.78

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Solution

The fourth proportional to 689,954.68, 1,033,783.74 and 240,427.78 is: 360,241.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,954.68 : 1,033,783.74 = 240,427.78 : x
  2. Step 2: Convert to fraction form
    689,954.68/1,033,783.74 = 240,427.78/x
  3. Step 3: Cross multiply
    689,954.68x = 1,033,783.74 × 240,427.78
  4. Step 4: Simplify right side
    689,954.68x = 248,550,329,608.30
  5. Step 5: Solve for x
    x = 248,550,329,608.30/689,954.68
  6. Step 6: Final answer
    x = 360,241.53

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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.