Finding the Fourth Proportional to 744,396.72, 1,027,534.68 and 442,590
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Solution
The fourth proportional to 744,396.72, 1,027,534.68 and 442,590 is: 610,933.07
Step by Step Solution
- Step 1: Write the proportion equation
744,396.72 : 1,027,534.68 = 442,590 : x - Step 2: Convert to fraction form
744,396.72/1,027,534.68 = 442,590/x - Step 3: Cross multiply
744,396.72x = 1,027,534.68 × 442,590 - Step 4: Simplify right side
744,396.72x = 454,776,574,021.20 - Step 5: Solve for x
x = 454,776,574,021.20/744,396.72 - Step 6: Final answer
x = 610,933.07
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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.