Home / 669,759.70-1,004,056.35-403,237.30

Finding the Fourth Proportional to 669,759.70, 1,004,056.35 and 403,237.30

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Solution

The fourth proportional to 669,759.70, 1,004,056.35 and 403,237.30 is: 604,504.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,759.70 : 1,004,056.35 = 403,237.30 : x
  2. Step 2: Convert to fraction form
    669,759.70/1,004,056.35 = 403,237.30/x
  3. Step 3: Cross multiply
    669,759.70x = 1,004,056.35 × 403,237.30
  4. Step 4: Simplify right side
    669,759.70x = 404,872,971,621.86
  5. Step 5: Solve for x
    x = 404,872,971,621.86/669,759.70
  6. Step 6: Final answer
    x = 604,504.83

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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.