Finding the Fourth Proportional to 753,344.24, 1,039,622.60 and 409,186.88
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Solution
The fourth proportional to 753,344.24, 1,039,622.60 and 409,186.88 is: 564,681.99
Step by Step Solution
- Step 1: Write the proportion equation
753,344.24 : 1,039,622.60 = 409,186.88 : x - Step 2: Convert to fraction form
753,344.24/1,039,622.60 = 409,186.88/x - Step 3: Cross multiply
753,344.24x = 1,039,622.60 × 409,186.88 - Step 4: Simplify right side
753,344.24x = 425,399,928,071.49 - Step 5: Solve for x
x = 425,399,928,071.49/753,344.24 - Step 6: Final answer
x = 564,681.99
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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.