Home / 728,638.02-1,092,956.05-196,159.63

Finding the Fourth Proportional to 728,638.02, 1,092,956.05 and 196,159.63

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Solution

The fourth proportional to 728,638.02, 1,092,956.05 and 196,159.63 is: 294,239.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    728,638.02 : 1,092,956.05 = 196,159.63 : x
  2. Step 2: Convert to fraction form
    728,638.02/1,092,956.05 = 196,159.63/x
  3. Step 3: Cross multiply
    728,638.02x = 1,092,956.05 × 196,159.63
  4. Step 4: Simplify right side
    728,638.02x = 214,393,854,374.26
  5. Step 5: Solve for x
    x = 214,393,854,374.26/728,638.02
  6. Step 6: Final answer
    x = 294,239.18

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Similar ratio
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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.