Finding the Fourth Proportional to 798,862.91, 1,102,436.93 and 436,280.18
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Solution
The fourth proportional to 798,862.91, 1,102,436.93 and 436,280.18 is: 602,069.99
Step by Step Solution
- Step 1: Write the proportion equation
798,862.91 : 1,102,436.93 = 436,280.18 : x - Step 2: Convert to fraction form
798,862.91/1,102,436.93 = 436,280.18/x - Step 3: Cross multiply
798,862.91x = 1,102,436.93 × 436,280.18 - Step 4: Simplify right side
798,862.91x = 480,971,377,837.56 - Step 5: Solve for x
x = 480,971,377,837.56/798,862.91 - Step 6: Final answer
x = 602,069.99
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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.