Finding the Fourth Proportional to 676,668.71, 933,684.14 and 386,147.63
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Solution
The fourth proportional to 676,668.71, 933,684.14 and 386,147.63 is: 532,816.00
Step by Step Solution
- Step 1: Write the proportion equation
676,668.71 : 933,684.14 = 386,147.63 : x - Step 2: Convert to fraction form
676,668.71/933,684.14 = 386,147.63/x - Step 3: Cross multiply
676,668.71x = 933,684.14 × 386,147.63 - Step 4: Simplify right side
676,668.71x = 360,539,917,417.14 - Step 5: Solve for x
x = 360,539,917,417.14/676,668.71 - Step 6: Final answer
x = 532,816.00
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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.