Home / 670,293.20-1,004,856.60-403,770.80

Finding the Fourth Proportional to 670,293.20, 1,004,856.60 and 403,770.80

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Solution

The fourth proportional to 670,293.20, 1,004,856.60 and 403,770.80 is: 605,304.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,293.20 : 1,004,856.60 = 403,770.80 : x
  2. Step 2: Convert to fraction form
    670,293.20/1,004,856.60 = 403,770.80/x
  3. Step 3: Cross multiply
    670,293.20x = 1,004,856.60 × 403,770.80
  4. Step 4: Simplify right side
    670,293.20x = 405,731,753,267.28
  5. Step 5: Solve for x
    x = 405,731,753,267.28/670,293.20
  6. Step 6: Final answer
    x = 605,304.89

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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.