Finding the Fourth Proportional to 657,927.42, 908,083.70 and 416,531.80
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Solution
The fourth proportional to 657,927.42, 908,083.70 and 416,531.80 is: 574,904.96
Step by Step Solution
- Step 1: Write the proportion equation
657,927.42 : 908,083.70 = 416,531.80 : x - Step 2: Convert to fraction form
657,927.42/908,083.70 = 416,531.80/x - Step 3: Cross multiply
657,927.42x = 908,083.70 × 416,531.80 - Step 4: Simplify right side
657,927.42x = 378,245,738,111.66 - Step 5: Solve for x
x = 378,245,738,111.66/657,927.42 - Step 6: Final answer
x = 574,904.96
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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.