Home / 703,660.96-1,056,903.24-419,905

Finding the Fourth Proportional to 703,660.96, 1,056,903.24 and 419,905

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Solution

The fourth proportional to 703,660.96, 1,056,903.24 and 419,905 is: 630,699.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,660.96 : 1,056,903.24 = 419,905 : x
  2. Step 2: Convert to fraction form
    703,660.96/1,056,903.24 = 419,905/x
  3. Step 3: Cross multiply
    703,660.96x = 1,056,903.24 × 419,905
  4. Step 4: Simplify right side
    703,660.96x = 443,798,954,992.20
  5. Step 5: Solve for x
    x = 443,798,954,992.20/703,660.96
  6. Step 6: Final answer
    x = 630,699.98

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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.