Finding the Fourth Proportional to 947,889.24, 1,307,960.82 and 608,816.76
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Solution
The fourth proportional to 947,889.24, 1,307,960.82 and 608,816.76 is: 840,085.99
Step by Step Solution
- Step 1: Write the proportion equation
947,889.24 : 1,307,960.82 = 608,816.76 : x - Step 2: Convert to fraction form
947,889.24/1,307,960.82 = 608,816.76/x - Step 3: Cross multiply
947,889.24x = 1,307,960.82 × 608,816.76 - Step 4: Simplify right side
947,889.24x = 796,308,468,639.34 - Step 5: Solve for x
x = 796,308,468,639.34/947,889.24 - Step 6: Final answer
x = 840,085.99
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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.