Finding the Fourth Proportional to 632,216.80, 872,194.55 and 414,477.75
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Solution
The fourth proportional to 632,216.80, 872,194.55 and 414,477.75 is: 571,805.80
Step by Step Solution
- Step 1: Write the proportion equation
632,216.80 : 872,194.55 = 414,477.75 : x - Step 2: Convert to fraction form
632,216.80/872,194.55 = 414,477.75/x - Step 3: Cross multiply
632,216.80x = 872,194.55 × 414,477.75 - Step 4: Simplify right side
632,216.80x = 361,505,234,646.26 - Step 5: Solve for x
x = 361,505,234,646.26/632,216.80 - Step 6: Final answer
x = 571,805.80
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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.