Finding the Fourth Proportional to 803,159.28, 1,108,368.36 and 440,583.84
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Solution
The fourth proportional to 803,159.28, 1,108,368.36 and 440,583.84 is: 608,010.39
Step by Step Solution
- Step 1: Write the proportion equation
803,159.28 : 1,108,368.36 = 440,583.84 : x - Step 2: Convert to fraction form
803,159.28/1,108,368.36 = 440,583.84/x - Step 3: Cross multiply
803,159.28x = 1,108,368.36 × 440,583.84 - Step 4: Simplify right side
803,159.28x = 488,329,188,183.30 - Step 5: Solve for x
x = 488,329,188,183.30/803,159.28 - Step 6: Final answer
x = 608,010.39
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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.