Finding the Fourth Proportional to 746,214.58, 1,029,779.61 and 423,942.37
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Solution
The fourth proportional to 746,214.58, 1,029,779.61 and 423,942.37 is: 585,042.45
Step by Step Solution
- Step 1: Write the proportion equation
746,214.58 : 1,029,779.61 = 423,942.37 : x - Step 2: Convert to fraction form
746,214.58/1,029,779.61 = 423,942.37/x - Step 3: Cross multiply
746,214.58x = 1,029,779.61 × 423,942.37 - Step 4: Simplify right side
746,214.58x = 436,567,208,441.08 - Step 5: Solve for x
x = 436,567,208,441.08/746,214.58 - Step 6: Final answer
x = 585,042.45
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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.