Home / 929,705.60-1,394,558.40-646,270.40

Finding the Fourth Proportional to 929,705.60, 1,394,558.40 and 646,270.40

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Solution

The fourth proportional to 929,705.60, 1,394,558.40 and 646,270.40 is: 969,405.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,705.60 : 1,394,558.40 = 646,270.40 : x
  2. Step 2: Convert to fraction form
    929,705.60/1,394,558.40 = 646,270.40/x
  3. Step 3: Cross multiply
    929,705.60x = 1,394,558.40 × 646,270.40
  4. Step 4: Simplify right side
    929,705.60x = 901,261,814,991.36
  5. Step 5: Solve for x
    x = 901,261,814,991.36/929,705.60
  6. Step 6: Final answer
    x = 969,405.60

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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.