Home / 940,178.40-1,410,494.40-309,058.80

Finding the Fourth Proportional to 940,178.40, 1,410,494.40 and 309,058.80

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Solution

The fourth proportional to 940,178.40, 1,410,494.40 and 309,058.80 is: 463,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,178.40 : 1,410,494.40 = 309,058.80 : x
  2. Step 2: Convert to fraction form
    940,178.40/1,410,494.40 = 309,058.80/x
  3. Step 3: Cross multiply
    940,178.40x = 1,410,494.40 × 309,058.80
  4. Step 4: Simplify right side
    940,178.40x = 435,925,706,670.72
  5. Step 5: Solve for x
    x = 435,925,706,670.72/940,178.40
  6. Step 6: Final answer
    x = 463,662.75

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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.