Finding the Fourth Proportional to 876,570.49, 1,209,686.16 and 484,102.23
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Solution
The fourth proportional to 876,570.49, 1,209,686.16 and 484,102.23 is: 668,071.51
Step by Step Solution
- Step 1: Write the proportion equation
876,570.49 : 1,209,686.16 = 484,102.23 : x - Step 2: Convert to fraction form
876,570.49/1,209,686.16 = 484,102.23/x - Step 3: Cross multiply
876,570.49x = 1,209,686.16 × 484,102.23 - Step 4: Simplify right side
876,570.49x = 585,611,767,656.14 - Step 5: Solve for x
x = 585,611,767,656.14/876,570.49 - Step 6: Final answer
x = 668,071.51
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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.