Finding the Fourth Proportional to 805,490.52, 1,208,172.12 and 468,316
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Solution
The fourth proportional to 805,490.52, 1,208,172.12 and 468,316 is: 702,436.99
Step by Step Solution
- Step 1: Write the proportion equation
805,490.52 : 1,208,172.12 = 468,316 : x - Step 2: Convert to fraction form
805,490.52/1,208,172.12 = 468,316/x - Step 3: Cross multiply
805,490.52x = 1,208,172.12 × 468,316 - Step 4: Simplify right side
805,490.52x = 565,806,334,549.92 - Step 5: Solve for x
x = 565,806,334,549.92/805,490.52 - Step 6: Final answer
x = 702,436.99
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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.