Finding the Fourth Proportional to 452,832.63, 625,457.09 and 330,130.69
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Solution
The fourth proportional to 452,832.63, 625,457.09 and 330,130.69 is: 455,979.91
Step by Step Solution
- Step 1: Write the proportion equation
452,832.63 : 625,457.09 = 330,130.69 : x - Step 2: Convert to fraction form
452,832.63/625,457.09 = 330,130.69/x - Step 3: Cross multiply
452,832.63x = 625,457.09 × 330,130.69 - Step 4: Simplify right side
452,832.63x = 206,482,579,948.78 - Step 5: Solve for x
x = 206,482,579,948.78/452,832.63 - Step 6: Final answer
x = 455,979.91
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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.