Finding the Fourth Proportional to 832,519.30, 1,248,013.50 and 299,910.08
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Solution
The fourth proportional to 832,519.30, 1,248,013.50 and 299,910.08 is: 449,589.37
Step by Step Solution
- Step 1: Write the proportion equation
832,519.30 : 1,248,013.50 = 299,910.08 : x - Step 2: Convert to fraction form
832,519.30/1,248,013.50 = 299,910.08/x - Step 3: Cross multiply
832,519.30x = 1,248,013.50 × 299,910.08 - Step 4: Simplify right side
832,519.30x = 374,291,828,626.08 - Step 5: Solve for x
x = 374,291,828,626.08/832,519.30 - Step 6: Final answer
x = 449,589.37
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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.