Finding the Fourth Proportional to 834,353.40, 1,151,400.74 and 471,848.44
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Solution
The fourth proportional to 834,353.40, 1,151,400.74 and 471,848.44 is: 651,146.92
Step by Step Solution
- Step 1: Write the proportion equation
834,353.40 : 1,151,400.74 = 471,848.44 : x - Step 2: Convert to fraction form
834,353.40/1,151,400.74 = 471,848.44/x - Step 3: Cross multiply
834,353.40x = 1,151,400.74 × 471,848.44 - Step 4: Simplify right side
834,353.40x = 543,286,642,983.85 - Step 5: Solve for x
x = 543,286,642,983.85/834,353.40 - Step 6: Final answer
x = 651,146.92
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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.