Home / 942,667.79-1,414,223.09-311,581.54

Finding the Fourth Proportional to 942,667.79, 1,414,223.09 and 311,581.54

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Solution

The fourth proportional to 942,667.79, 1,414,223.09 and 311,581.54 is: 467,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,667.79 : 1,414,223.09 = 311,581.54 : x
  2. Step 2: Convert to fraction form
    942,667.79/1,414,223.09 = 311,581.54/x
  3. Step 3: Cross multiply
    942,667.79x = 1,414,223.09 × 311,581.54
  4. Step 4: Simplify right side
    942,667.79x = 440,645,799,656.74
  5. Step 5: Solve for x
    x = 440,645,799,656.74/942,667.79
  6. Step 6: Final answer
    x = 467,445.48

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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.