Finding the Fourth Proportional to 691,374.09, 954,307.11 and 401,059.02
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Solution
The fourth proportional to 691,374.09, 954,307.11 and 401,059.02 is: 553,583.77
Step by Step Solution
- Step 1: Write the proportion equation
691,374.09 : 954,307.11 = 401,059.02 : x - Step 2: Convert to fraction form
691,374.09/954,307.11 = 401,059.02/x - Step 3: Cross multiply
691,374.09x = 954,307.11 × 401,059.02 - Step 4: Simplify right side
691,374.09x = 382,733,474,315.63 - Step 5: Solve for x
x = 382,733,474,315.63/691,374.09 - Step 6: Final answer
x = 553,583.77
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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.