Finding the Fourth Proportional to 661,488.23, 913,245.08 and 416,682.84
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Solution
The fourth proportional to 661,488.23, 913,245.08 and 416,682.84 is: 575,268.82
Step by Step Solution
- Step 1: Write the proportion equation
661,488.23 : 913,245.08 = 416,682.84 : x - Step 2: Convert to fraction form
661,488.23/913,245.08 = 416,682.84/x - Step 3: Cross multiply
661,488.23x = 913,245.08 × 416,682.84 - Step 4: Simplify right side
661,488.23x = 380,533,558,016.80 - Step 5: Solve for x
x = 380,533,558,016.80/661,488.23 - Step 6: Final answer
x = 575,268.82
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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.