Finding the Fourth Proportional to 806,334.71, 1,209,213.87 and 266,491.08
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Solution
The fourth proportional to 806,334.71, 1,209,213.87 and 266,491.08 is: 399,641.37
Step by Step Solution
- Step 1: Write the proportion equation
806,334.71 : 1,209,213.87 = 266,491.08 : x - Step 2: Convert to fraction form
806,334.71/1,209,213.87 = 266,491.08/x - Step 3: Cross multiply
806,334.71x = 1,209,213.87 × 266,491.08 - Step 4: Simplify right side
806,334.71x = 322,244,710,167.28 - Step 5: Solve for x
x = 322,244,710,167.28/806,334.71 - Step 6: Final answer
x = 399,641.37
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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.