Finding the Fourth Proportional to 783,445.80, 1,175,207.10 and 410,197.80
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Solution
The fourth proportional to 783,445.80, 1,175,207.10 and 410,197.80 is: 615,316.81
Step by Step Solution
- Step 1: Write the proportion equation
783,445.80 : 1,175,207.10 = 410,197.80 : x - Step 2: Convert to fraction form
783,445.80/1,175,207.10 = 410,197.80/x - Step 3: Cross multiply
783,445.80x = 1,175,207.10 × 410,197.80 - Step 4: Simplify right side
783,445.80x = 482,067,366,964.38 - Step 5: Solve for x
x = 482,067,366,964.38/783,445.80 - Step 6: Final answer
x = 615,316.81
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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.