Finding the Fourth Proportional to 923,316.40, 1,381,823.70 and 773,725.60
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Solution
The fourth proportional to 923,316.40, 1,381,823.70 and 773,725.60 is: 1,157,947.99
Step by Step Solution
- Step 1: Write the proportion equation
923,316.40 : 1,381,823.70 = 773,725.60 : x - Step 2: Convert to fraction form
923,316.40/1,381,823.70 = 773,725.60/x - Step 3: Cross multiply
923,316.40x = 1,381,823.70 × 773,725.60 - Step 4: Simplify right side
923,316.40x = 1,069,152,371,376.72 - Step 5: Solve for x
x = 1,069,152,371,376.72/923,316.40 - Step 6: Final answer
x = 1,157,947.99
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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.