Home / 890,455.70-1,336,558.35-441,683.30

Finding the Fourth Proportional to 890,455.70, 1,336,558.35 and 441,683.30

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Solution

The fourth proportional to 890,455.70, 1,336,558.35 and 441,683.30 is: 662,958.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,455.70 : 1,336,558.35 = 441,683.30 : x
  2. Step 2: Convert to fraction form
    890,455.70/1,336,558.35 = 441,683.30/x
  3. Step 3: Cross multiply
    890,455.70x = 1,336,558.35 × 441,683.30
  4. Step 4: Simplify right side
    890,455.70x = 590,335,502,670.56
  5. Step 5: Solve for x
    x = 590,335,502,670.56/890,455.70
  6. Step 6: Final answer
    x = 662,958.87

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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.