Finding the Fourth Proportional to 519,821.06, 717,319.06 and 302,010.44
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Solution
The fourth proportional to 519,821.06, 717,319.06 and 302,010.44 is: 416,754.65
Step by Step Solution
- Step 1: Write the proportion equation
519,821.06 : 717,319.06 = 302,010.44 : x - Step 2: Convert to fraction form
519,821.06/717,319.06 = 302,010.44/x - Step 3: Cross multiply
519,821.06x = 717,319.06 × 302,010.44 - Step 4: Simplify right side
519,821.06x = 216,637,840,589.37 - Step 5: Solve for x
x = 216,637,840,589.37/519,821.06 - Step 6: Final answer
x = 416,754.65
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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.