Finding the Fourth Proportional to 816,573.02, 1,224,780.34 and 247,959.05
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Solution
The fourth proportional to 816,573.02, 1,224,780.34 and 247,959.05 is: 371,914.52
Step by Step Solution
- Step 1: Write the proportion equation
816,573.02 : 1,224,780.34 = 247,959.05 : x - Step 2: Convert to fraction form
816,573.02/1,224,780.34 = 247,959.05/x - Step 3: Cross multiply
816,573.02x = 1,224,780.34 × 247,959.05 - Step 4: Simplify right side
816,573.02x = 303,695,363,441.18 - Step 5: Solve for x
x = 303,695,363,441.18/816,573.02 - Step 6: Final answer
x = 371,914.52
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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.