Home / 947,819.51-1,421,919.82-348,783.81

Finding the Fourth Proportional to 947,819.51, 1,421,919.82 and 348,783.81

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Solution

The fourth proportional to 947,819.51, 1,421,919.82 and 348,783.81 is: 523,245.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,819.51 : 1,421,919.82 = 348,783.81 : x
  2. Step 2: Convert to fraction form
    947,819.51/1,421,919.82 = 348,783.81/x
  3. Step 3: Cross multiply
    947,819.51x = 1,421,919.82 × 348,783.81
  4. Step 4: Simplify right side
    947,819.51x = 495,942,612,334.11
  5. Step 5: Solve for x
    x = 495,942,612,334.11/947,819.51
  6. Step 6: Final answer
    x = 523,245.84

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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.