Finding the Fourth Proportional to 910,963.93, 1,257,115.93 and 503,055.63
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Solution
The fourth proportional to 910,963.93, 1,257,115.93 and 503,055.63 is: 694,208.88
Step by Step Solution
- Step 1: Write the proportion equation
910,963.93 : 1,257,115.93 = 503,055.63 : x - Step 2: Convert to fraction form
910,963.93/1,257,115.93 = 503,055.63/x - Step 3: Cross multiply
910,963.93x = 1,257,115.93 × 503,055.63 - Step 4: Simplify right side
910,963.93x = 632,399,246,149.19 - Step 5: Solve for x
x = 632,399,246,149.19/910,963.93 - Step 6: Final answer
x = 694,208.88
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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.