Finding the Fourth Proportional to 503,274.12, 694,541.16 and 312,349.02
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Solution
The fourth proportional to 503,274.12, 694,541.16 and 312,349.02 is: 431,055.84
Step by Step Solution
- Step 1: Write the proportion equation
503,274.12 : 694,541.16 = 312,349.02 : x - Step 2: Convert to fraction form
503,274.12/694,541.16 = 312,349.02/x - Step 3: Cross multiply
503,274.12x = 694,541.16 × 312,349.02 - Step 4: Simplify right side
503,274.12x = 216,939,250,675.66 - Step 5: Solve for x
x = 216,939,250,675.66/503,274.12 - Step 6: Final answer
x = 431,055.84
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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.