Finding the Fourth Proportional to 816,750.54, 1,126,950.57 and 477,153.18
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Solution
The fourth proportional to 816,750.54, 1,126,950.57 and 477,153.18 is: 658,374.89
Step by Step Solution
- Step 1: Write the proportion equation
816,750.54 : 1,126,950.57 = 477,153.18 : x - Step 2: Convert to fraction form
816,750.54/1,126,950.57 = 477,153.18/x - Step 3: Cross multiply
816,750.54x = 1,126,950.57 × 477,153.18 - Step 4: Simplify right side
816,750.54x = 537,728,048,178.31 - Step 5: Solve for x
x = 537,728,048,178.31/816,750.54 - Step 6: Final answer
x = 658,374.89
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1.5x scale
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.