Finding the Fourth Proportional to 856,228.23, 1,181,594.95 and 474,279.62
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Solution
The fourth proportional to 856,228.23, 1,181,594.95 and 474,279.62 is: 654,505.86
Step by Step Solution
- Step 1: Write the proportion equation
856,228.23 : 1,181,594.95 = 474,279.62 : x - Step 2: Convert to fraction form
856,228.23/1,181,594.95 = 474,279.62/x - Step 3: Cross multiply
856,228.23x = 1,181,594.95 × 474,279.62 - Step 4: Simplify right side
856,228.23x = 560,406,396,786.25 - Step 5: Solve for x
x = 560,406,396,786.25/856,228.23 - Step 6: Final answer
x = 654,505.86
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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.