Finding the Fourth Proportional to 803,343.24, 1,108,604.16 and 440,770.32
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Solution
The fourth proportional to 803,343.24, 1,108,604.16 and 440,770.32 is: 608,257.82
Step by Step Solution
- Step 1: Write the proportion equation
803,343.24 : 1,108,604.16 = 440,770.32 : x - Step 2: Convert to fraction form
803,343.24/1,108,604.16 = 440,770.32/x - Step 3: Cross multiply
803,343.24x = 1,108,604.16 × 440,770.32 - Step 4: Simplify right side
803,343.24x = 488,639,810,356.53 - Step 5: Solve for x
x = 488,639,810,356.53/803,343.24 - Step 6: Final answer
x = 608,257.82
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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.