Finding the Fourth Proportional to 846,070.32, 1,268,474.28 and 509,031.99
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Solution
The fourth proportional to 846,070.32, 1,268,474.28 and 509,031.99 is: 763,168.23
Step by Step Solution
- Step 1: Write the proportion equation
846,070.32 : 1,268,474.28 = 509,031.99 : x - Step 2: Convert to fraction form
846,070.32/1,268,474.28 = 509,031.99/x - Step 3: Cross multiply
846,070.32x = 1,268,474.28 × 509,031.99 - Step 4: Simplify right side
846,070.32x = 645,693,987,012.22 - Step 5: Solve for x
x = 645,693,987,012.22/846,070.32 - Step 6: Final answer
x = 763,168.23
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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.