Finding the Fourth Proportional to 746,880.31, 1,118,428.63 and 463,125.09
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Solution
The fourth proportional to 746,880.31, 1,118,428.63 and 463,125.09 is: 693,514.55
Step by Step Solution
- Step 1: Write the proportion equation
746,880.31 : 1,118,428.63 = 463,125.09 : x - Step 2: Convert to fraction form
746,880.31/1,118,428.63 = 463,125.09/x - Step 3: Cross multiply
746,880.31x = 1,118,428.63 × 463,125.09 - Step 4: Simplify right side
746,880.31x = 517,972,362,963.62 - Step 5: Solve for x
x = 517,972,362,963.62/746,880.31 - Step 6: Final answer
x = 693,514.55
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1.5x scale
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.