Finding the Fourth Proportional to 744,536.21, 1,108,384.16 and 740,107.53
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Solution
The fourth proportional to 744,536.21, 1,108,384.16 and 740,107.53 is: 1,101,791.23
Step by Step Solution
- Step 1: Write the proportion equation
744,536.21 : 1,108,384.16 = 740,107.53 : x - Step 2: Convert to fraction form
744,536.21/1,108,384.16 = 740,107.53/x - Step 3: Cross multiply
744,536.21x = 1,108,384.16 × 740,107.53 - Step 4: Simplify right side
744,536.21x = 820,323,459,248.19 - Step 5: Solve for x
x = 820,323,459,248.19/744,536.21 - Step 6: Final answer
x = 1,101,791.23
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.