Finding the Fourth Proportional to 659,668.84, 910,342.74 and 357,862.84
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Solution
The fourth proportional to 659,668.84, 910,342.74 and 357,862.84 is: 493,850.58
Step by Step Solution
- Step 1: Write the proportion equation
659,668.84 : 910,342.74 = 357,862.84 : x - Step 2: Convert to fraction form
659,668.84/910,342.74 = 357,862.84/x - Step 3: Cross multiply
659,668.84x = 910,342.74 × 357,862.84 - Step 4: Simplify right side
659,668.84x = 325,777,838,309.78 - Step 5: Solve for x
x = 325,777,838,309.78/659,668.84 - Step 6: Final answer
x = 493,850.58
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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.