Finding the Fourth Proportional to 917,601.92, 1,266,247.84 and 509,730.24
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Solution
The fourth proportional to 917,601.92, 1,266,247.84 and 509,730.24 is: 703,403.95
Step by Step Solution
- Step 1: Write the proportion equation
917,601.92 : 1,266,247.84 = 509,730.24 : x - Step 2: Convert to fraction form
917,601.92/1,266,247.84 = 509,730.24/x - Step 3: Cross multiply
917,601.92x = 1,266,247.84 × 509,730.24 - Step 4: Simplify right side
917,601.92x = 645,444,815,382.68 - Step 5: Solve for x
x = 645,444,815,382.68/917,601.92 - Step 6: Final answer
x = 703,403.95
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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.