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Finding the Fourth Proportional to 902,842.76, 1,353,870.43 and 341,483.60

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Solution

The fourth proportional to 902,842.76, 1,353,870.43 and 341,483.60 is: 512,076.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    902,842.76 : 1,353,870.43 = 341,483.60 : x
  2. Step 2: Convert to fraction form
    902,842.76/1,353,870.43 = 341,483.60/x
  3. Step 3: Cross multiply
    902,842.76x = 1,353,870.43 × 341,483.60
  4. Step 4: Simplify right side
    902,842.76x = 462,324,545,206.24
  5. Step 5: Solve for x
    x = 462,324,545,206.24/902,842.76
  6. Step 6: Final answer
    x = 512,076.48

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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.