Finding the Fourth Proportional to 909,541.53, 1,365,258.56 and 669,925.98
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Solution
The fourth proportional to 909,541.53, 1,365,258.56 and 669,925.98 is: 1,005,585.95
Step by Step Solution
- Step 1: Write the proportion equation
909,541.53 : 1,365,258.56 = 669,925.98 : x - Step 2: Convert to fraction form
909,541.53/1,365,258.56 = 669,925.98/x - Step 3: Cross multiply
909,541.53x = 1,365,258.56 × 669,925.98 - Step 4: Simplify right side
909,541.53x = 914,622,180,436.20 - Step 5: Solve for x
x = 914,622,180,436.20/909,541.53 - Step 6: Final answer
x = 1,005,585.95
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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.