Finding the Fourth Proportional to 853,750.54, 1,178,176.14 and 471,777.34
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Solution
The fourth proportional to 853,750.54, 1,178,176.14 and 471,777.34 is: 651,052.95
Step by Step Solution
- Step 1: Write the proportion equation
853,750.54 : 1,178,176.14 = 471,777.34 : x - Step 2: Convert to fraction form
853,750.54/1,178,176.14 = 471,777.34/x - Step 3: Cross multiply
853,750.54x = 1,178,176.14 × 471,777.34 - Step 4: Simplify right side
853,750.54x = 555,836,805,380.67 - Step 5: Solve for x
x = 555,836,805,380.67/853,750.54 - Step 6: Final answer
x = 651,052.95
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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.