Finding the Fourth Proportional to 658,462.07, 908,677.68 and 356,656.07
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Solution
The fourth proportional to 658,462.07, 908,677.68 and 356,656.07 is: 492,185.39
Step by Step Solution
- Step 1: Write the proportion equation
658,462.07 : 908,677.68 = 356,656.07 : x - Step 2: Convert to fraction form
658,462.07/908,677.68 = 356,656.07/x - Step 3: Cross multiply
658,462.07x = 908,677.68 × 356,656.07 - Step 4: Simplify right side
658,462.07x = 324,085,405,702.13 - Step 5: Solve for x
x = 324,085,405,702.13/658,462.07 - Step 6: Final answer
x = 492,185.39
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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.