Finding the Fourth Proportional to 815,408.03, 1,125,278.34 and 452,865.87
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Solution
The fourth proportional to 815,408.03, 1,125,278.34 and 452,865.87 is: 624,963.38
Step by Step Solution
- Step 1: Write the proportion equation
815,408.03 : 1,125,278.34 = 452,865.87 : x - Step 2: Convert to fraction form
815,408.03/1,125,278.34 = 452,865.87/x - Step 3: Cross multiply
815,408.03x = 1,125,278.34 × 452,865.87 - Step 4: Simplify right side
815,408.03x = 509,600,154,436.26 - Step 5: Solve for x
x = 509,600,154,436.26/815,408.03 - Step 6: Final answer
x = 624,963.38
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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.