Finding the Fourth Proportional to 903,869.94, 1,355,749.11 and 371,377.26
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Solution
The fourth proportional to 903,869.94, 1,355,749.11 and 371,377.26 is: 557,042.96
Step by Step Solution
- Step 1: Write the proportion equation
903,869.94 : 1,355,749.11 = 371,377.26 : x - Step 2: Convert to fraction form
903,869.94/1,355,749.11 = 371,377.26/x - Step 3: Cross multiply
903,869.94x = 1,355,749.11 × 371,377.26 - Step 4: Simplify right side
903,869.94x = 503,494,389,719.24 - Step 5: Solve for x
x = 503,494,389,719.24/903,869.94 - Step 6: Final answer
x = 557,042.96
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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.