Finding the Fourth Proportional to 683,304.76, 1,024,606.68 and 399,549.72
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Solution
The fourth proportional to 683,304.76, 1,024,606.68 and 399,549.72 is: 599,119.66
Step by Step Solution
- Step 1: Write the proportion equation
683,304.76 : 1,024,606.68 = 399,549.72 : x - Step 2: Convert to fraction form
683,304.76/1,024,606.68 = 399,549.72/x - Step 3: Cross multiply
683,304.76x = 1,024,606.68 × 399,549.72 - Step 4: Simplify right side
683,304.76x = 409,381,312,104.13 - Step 5: Solve for x
x = 409,381,312,104.13/683,304.76 - Step 6: Final answer
x = 599,119.66
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.