Finding the Fourth Proportional to 514,107.49, 709,468.14 and 287,752.99
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Solution
The fourth proportional to 514,107.49, 709,468.14 and 287,752.99 is: 397,099.02
Step by Step Solution
- Step 1: Write the proportion equation
514,107.49 : 709,468.14 = 287,752.99 : x - Step 2: Convert to fraction form
514,107.49/709,468.14 = 287,752.99/x - Step 3: Cross multiply
514,107.49x = 709,468.14 × 287,752.99 - Step 4: Simplify right side
514,107.49x = 204,151,578,594.74 - Step 5: Solve for x
x = 204,151,578,594.74/514,107.49 - Step 6: Final answer
x = 397,099.02
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1.5x scale
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.