Finding the Fourth Proportional to 998,783.74, 1,378,327.35 and 546,074.74
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Solution
The fourth proportional to 998,783.74, 1,378,327.35 and 546,074.74 is: 753,586.31
Step by Step Solution
- Step 1: Write the proportion equation
998,783.74 : 1,378,327.35 = 546,074.74 : x - Step 2: Convert to fraction form
998,783.74/1,378,327.35 = 546,074.74/x - Step 3: Cross multiply
998,783.74x = 1,378,327.35 × 546,074.74 - Step 4: Simplify right side
998,783.74x = 752,669,749,286.14 - Step 5: Solve for x
x = 752,669,749,286.14/998,783.74 - Step 6: Final answer
x = 753,586.31
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.