Finding the Fourth Proportional to 982,427.57, 1,355,749.84 and 546,835.53
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Solution
The fourth proportional to 982,427.57, 1,355,749.84 and 546,835.53 is: 754,632.91
Step by Step Solution
- Step 1: Write the proportion equation
982,427.57 : 1,355,749.84 = 546,835.53 : x - Step 2: Convert to fraction form
982,427.57/1,355,749.84 = 546,835.53/x - Step 3: Cross multiply
982,427.57x = 1,355,749.84 × 546,835.53 - Step 4: Simplify right side
982,427.57x = 741,372,177,903.30 - Step 5: Solve for x
x = 741,372,177,903.30/982,427.57 - Step 6: Final answer
x = 754,632.91
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.