Finding the Fourth Proportional to 658,365.26, 908,935.62 and 416,854.85
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Solution
The fourth proportional to 658,365.26, 908,935.62 and 416,854.85 is: 575,507.62
Step by Step Solution
- Step 1: Write the proportion equation
658,365.26 : 908,935.62 = 416,854.85 : x - Step 2: Convert to fraction form
658,365.26/908,935.62 = 416,854.85/x - Step 3: Cross multiply
658,365.26x = 908,935.62 × 416,854.85 - Step 4: Simplify right side
658,365.26x = 378,894,221,534.76 - Step 5: Solve for x
x = 378,894,221,534.76/658,365.26 - Step 6: Final answer
x = 575,507.62
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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.