Finding the Fourth Proportional to 644,507.96, 889,389.08 and 372,549.96
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Solution
The fourth proportional to 644,507.96, 889,389.08 and 372,549.96 is: 514,100.50
Step by Step Solution
- Step 1: Write the proportion equation
644,507.96 : 889,389.08 = 372,549.96 : x - Step 2: Convert to fraction form
644,507.96/889,389.08 = 372,549.96/x - Step 3: Cross multiply
644,507.96x = 889,389.08 × 372,549.96 - Step 4: Simplify right side
644,507.96x = 331,341,866,178.44 - Step 5: Solve for x
x = 331,341,866,178.44/644,507.96 - Step 6: Final answer
x = 514,100.50
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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.