Finding the Fourth Proportional to 757,739.75, 1,045,702.58 and 413,597.07
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Solution
The fourth proportional to 757,739.75, 1,045,702.58 and 413,597.07 is: 570,775.82
Step by Step Solution
- Step 1: Write the proportion equation
757,739.75 : 1,045,702.58 = 413,597.07 : x - Step 2: Convert to fraction form
757,739.75/1,045,702.58 = 413,597.07/x - Step 3: Cross multiply
757,739.75x = 1,045,702.58 × 413,597.07 - Step 4: Simplify right side
757,739.75x = 432,499,521,111.46 - Step 5: Solve for x
x = 432,499,521,111.46/757,739.75 - Step 6: Final answer
x = 570,775.82
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1.5x scale
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.