Finding the Fourth Proportional to 956,311.31, 1,319,709.61 and 526,590.42
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Solution
The fourth proportional to 956,311.31, 1,319,709.61 and 526,590.42 is: 726,694.77
Step by Step Solution
- Step 1: Write the proportion equation
956,311.31 : 1,319,709.61 = 526,590.42 : x - Step 2: Convert to fraction form
956,311.31/1,319,709.61 = 526,590.42/x - Step 3: Cross multiply
956,311.31x = 1,319,709.61 × 526,590.42 - Step 4: Simplify right side
956,311.31x = 694,946,433,517.26 - Step 5: Solve for x
x = 694,946,433,517.26/956,311.31 - Step 6: Final answer
x = 726,694.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.