Home / 942,552.55-1,414,047.53-311,428.09

Finding the Fourth Proportional to 942,552.55, 1,414,047.53 and 311,428.09

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Solution

The fourth proportional to 942,552.55, 1,414,047.53 and 311,428.09 is: 467,214.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,552.55 : 1,414,047.53 = 311,428.09 : x
  2. Step 2: Convert to fraction form
    942,552.55/1,414,047.53 = 311,428.09/x
  3. Step 3: Cross multiply
    942,552.55x = 1,414,047.53 × 311,428.09
  4. Step 4: Simplify right side
    942,552.55x = 440,374,122,231.46
  5. Step 5: Solve for x
    x = 440,374,122,231.46/942,552.55
  6. Step 6: Final answer
    x = 467,214.40

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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.