Home / 887,327.70-1,330,991.55-414,935.70

Finding the Fourth Proportional to 887,327.70, 1,330,991.55 and 414,935.70

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Solution

The fourth proportional to 887,327.70, 1,330,991.55 and 414,935.70 is: 622,403.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,327.70 : 1,330,991.55 = 414,935.70 : x
  2. Step 2: Convert to fraction form
    887,327.70/1,330,991.55 = 414,935.70/x
  3. Step 3: Cross multiply
    887,327.70x = 1,330,991.55 × 414,935.70
  4. Step 4: Simplify right side
    887,327.70x = 552,275,910,493.34
  5. Step 5: Solve for x
    x = 552,275,910,493.34/887,327.70
  6. Step 6: Final answer
    x = 622,403.55

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1.5x scale

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.