Home / 947,819.01-1,421,919.07-348,783.31

Finding the Fourth Proportional to 947,819.01, 1,421,919.07 and 348,783.31

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Solution

The fourth proportional to 947,819.01, 1,421,919.07 and 348,783.31 is: 523,245.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,819.01 : 1,421,919.07 = 348,783.31 : x
  2. Step 2: Convert to fraction form
    947,819.01/1,421,919.07 = 348,783.31/x
  3. Step 3: Cross multiply
    947,819.01x = 1,421,919.07 × 348,783.31
  4. Step 4: Simplify right side
    947,819.01x = 495,941,635,359.97
  5. Step 5: Solve for x
    x = 495,941,635,359.97/947,819.01
  6. Step 6: Final answer
    x = 523,245.08

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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.