Finding the Fourth Proportional to 868,354.36, 1,300,956.84 and 849,458.68
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Solution
The fourth proportional to 868,354.36, 1,300,956.84 and 849,458.68 is: 1,272,647.59
Step by Step Solution
- Step 1: Write the proportion equation
868,354.36 : 1,300,956.84 = 849,458.68 : x - Step 2: Convert to fraction form
868,354.36/1,300,956.84 = 849,458.68/x - Step 3: Cross multiply
868,354.36x = 1,300,956.84 × 849,458.68 - Step 4: Simplify right side
868,354.36x = 1,105,109,080,043.37 - Step 5: Solve for x
x = 1,105,109,080,043.37/868,354.36 - Step 6: Final answer
x = 1,272,647.59
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.