Finding the Fourth Proportional to 416,556.07, 574,417.37 and 356,326.09
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Solution
The fourth proportional to 416,556.07, 574,417.37 and 356,326.09 is: 491,362.17
Step by Step Solution
- Step 1: Write the proportion equation
416,556.07 : 574,417.37 = 356,326.09 : x - Step 2: Convert to fraction form
416,556.07/574,417.37 = 356,326.09/x - Step 3: Cross multiply
416,556.07x = 574,417.37 × 356,326.09 - Step 4: Simplify right side
416,556.07x = 204,679,894,934.96 - Step 5: Solve for x
x = 204,679,894,934.96/416,556.07 - Step 6: Final answer
x = 491,362.17
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1.5x scale
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.