Finding the Fourth Proportional to 890,154.66, 1,228,411.70 and 482,266.68
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Solution
The fourth proportional to 890,154.66, 1,228,411.70 and 482,266.68 is: 665,527.09
Step by Step Solution
- Step 1: Write the proportion equation
890,154.66 : 1,228,411.70 = 482,266.68 : x - Step 2: Convert to fraction form
890,154.66/1,228,411.70 = 482,266.68/x - Step 3: Cross multiply
890,154.66x = 1,228,411.70 × 482,266.68 - Step 4: Simplify right side
890,154.66x = 592,422,038,743.88 - Step 5: Solve for x
x = 592,422,038,743.88/890,154.66 - Step 6: Final answer
x = 665,527.09
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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.