Home / 942,994.56-1,414,705.68-311,907.36

Finding the Fourth Proportional to 942,994.56, 1,414,705.68 and 311,907.36

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Solution

The fourth proportional to 942,994.56, 1,414,705.68 and 311,907.36 is: 467,931.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,994.56 : 1,414,705.68 = 311,907.36 : x
  2. Step 2: Convert to fraction form
    942,994.56/1,414,705.68 = 311,907.36/x
  3. Step 3: Cross multiply
    942,994.56x = 1,414,705.68 × 311,907.36
  4. Step 4: Simplify right side
    942,994.56x = 441,257,113,825.81
  5. Step 5: Solve for x
    x = 441,257,113,825.81/942,994.56
  6. Step 6: Final answer
    x = 467,931.77

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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.