Finding the Fourth Proportional to 695,668.08, 959,994.56 and 393,862.08
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Solution
The fourth proportional to 695,668.08, 959,994.56 and 393,862.08 is: 543,514.16
Step by Step Solution
- Step 1: Write the proportion equation
695,668.08 : 959,994.56 = 393,862.08 : x - Step 2: Convert to fraction form
695,668.08/959,994.56 = 393,862.08/x - Step 3: Cross multiply
695,668.08x = 959,994.56 × 393,862.08 - Step 4: Simplify right side
695,668.08x = 378,105,454,190.29 - Step 5: Solve for x
x = 378,105,454,190.29/695,668.08 - Step 6: Final answer
x = 543,514.16
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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.