Finding the Fourth Proportional to 571,566.80, 857,175.08 and 395,207.12
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Solution
The fourth proportional to 571,566.80, 857,175.08 and 395,207.12 is: 592,689.59
Step by Step Solution
- Step 1: Write the proportion equation
571,566.80 : 857,175.08 = 395,207.12 : x - Step 2: Convert to fraction form
571,566.80/857,175.08 = 395,207.12/x - Step 3: Cross multiply
571,566.80x = 857,175.08 × 395,207.12 - Step 4: Simplify right side
571,566.80x = 338,761,694,702.57 - Step 5: Solve for x
x = 338,761,694,702.57/571,566.80 - Step 6: Final answer
x = 592,689.59
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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.