Finding the Fourth Proportional to 889,527.06, 1,334,372.61 and 290,491.36
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Solution
The fourth proportional to 889,527.06, 1,334,372.61 and 290,491.36 is: 435,763.82
Step by Step Solution
- Step 1: Write the proportion equation
889,527.06 : 1,334,372.61 = 290,491.36 : x - Step 2: Convert to fraction form
889,527.06/1,334,372.61 = 290,491.36/x - Step 3: Cross multiply
889,527.06x = 1,334,372.61 × 290,491.36 - Step 4: Simplify right side
889,527.06x = 387,623,707,553.79 - Step 5: Solve for x
x = 387,623,707,553.79/889,527.06 - Step 6: Final answer
x = 435,763.82
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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.