Finding the Fourth Proportional to 730,713.24, 1,008,315 and 408,415.96
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Solution
The fourth proportional to 730,713.24, 1,008,315 and 408,415.96 is: 563,575.31
Step by Step Solution
- Step 1: Write the proportion equation
730,713.24 : 1,008,315 = 408,415.96 : x - Step 2: Convert to fraction form
730,713.24/1,008,315 = 408,415.96/x - Step 3: Cross multiply
730,713.24x = 1,008,315 × 408,415.96 - Step 4: Simplify right side
730,713.24x = 411,811,938,707.40 - Step 5: Solve for x
x = 411,811,938,707.40/730,713.24 - Step 6: Final answer
x = 563,575.31
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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.