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Finding the Fourth Proportional to 654,650.91, 902,905.31 and 448,041.51

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Solution

The fourth proportional to 654,650.91, 902,905.31 and 448,041.51 is: 617,946.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,650.91 : 902,905.31 = 448,041.51 : x
  2. Step 2: Convert to fraction form
    654,650.91/902,905.31 = 448,041.51/x
  3. Step 3: Cross multiply
    654,650.91x = 902,905.31 × 448,041.51
  4. Step 4: Simplify right side
    654,650.91x = 404,539,059,599.52
  5. Step 5: Solve for x
    x = 404,539,059,599.52/654,650.91
  6. Step 6: Final answer
    x = 617,946.23

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.