Finding the Fourth Proportional to 947,356.44, 1,307,367.18 and 565,606.68
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Solution
The fourth proportional to 947,356.44, 1,307,367.18 and 565,606.68 is: 780,546.35
Step by Step Solution
- Step 1: Write the proportion equation
947,356.44 : 1,307,367.18 = 565,606.68 : x - Step 2: Convert to fraction form
947,356.44/1,307,367.18 = 565,606.68/x - Step 3: Cross multiply
947,356.44x = 1,307,367.18 × 565,606.68 - Step 4: Simplify right side
947,356.44x = 739,455,610,220.76 - Step 5: Solve for x
x = 739,455,610,220.76/947,356.44 - Step 6: Final answer
x = 780,546.35
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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.