Finding the Fourth Proportional to 758,125.53, 1,045,774.67 and 489,853.53
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Solution
The fourth proportional to 758,125.53, 1,045,774.67 and 489,853.53 is: 675,714.50
Step by Step Solution
- Step 1: Write the proportion equation
758,125.53 : 1,045,774.67 = 489,853.53 : x - Step 2: Convert to fraction form
758,125.53/1,045,774.67 = 489,853.53/x - Step 3: Cross multiply
758,125.53x = 1,045,774.67 × 489,853.53 - Step 4: Simplify right side
758,125.53x = 512,276,411,234.82 - Step 5: Solve for x
x = 512,276,411,234.82/758,125.53 - Step 6: Final answer
x = 675,714.50
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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.