Finding the Fourth Proportional to 585,709.60, 808,329.36 and 331,106.08
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Solution
The fourth proportional to 585,709.60, 808,329.36 and 331,106.08 is: 456,954.72
Step by Step Solution
- Step 1: Write the proportion equation
585,709.60 : 808,329.36 = 331,106.08 : x - Step 2: Convert to fraction form
585,709.60/808,329.36 = 331,106.08/x - Step 3: Cross multiply
585,709.60x = 808,329.36 × 331,106.08 - Step 4: Simplify right side
585,709.60x = 267,642,765,738.51 - Step 5: Solve for x
x = 267,642,765,738.51/585,709.60 - Step 6: Final answer
x = 456,954.72
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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.