Finding the Fourth Proportional to 475,879.80, 656,712.36 and 294,555.63
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Solution
The fourth proportional to 475,879.80, 656,712.36 and 294,555.63 is: 406,485.68
Step by Step Solution
- Step 1: Write the proportion equation
475,879.80 : 656,712.36 = 294,555.63 : x - Step 2: Convert to fraction form
475,879.80/656,712.36 = 294,555.63/x - Step 3: Cross multiply
475,879.80x = 656,712.36 × 294,555.63 - Step 4: Simplify right side
475,879.80x = 193,438,322,928.59 - Step 5: Solve for x
x = 193,438,322,928.59/475,879.80 - Step 6: Final answer
x = 406,485.68
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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.