Finding the Fourth Proportional to 598,478.88, 825,153.84 and 383,265.12
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Solution
The fourth proportional to 598,478.88, 825,153.84 and 383,265.12 is: 528,427.48
Step by Step Solution
- Step 1: Write the proportion equation
598,478.88 : 825,153.84 = 383,265.12 : x - Step 2: Convert to fraction form
598,478.88/825,153.84 = 383,265.12/x - Step 3: Cross multiply
598,478.88x = 825,153.84 × 383,265.12 - Step 4: Simplify right side
598,478.88x = 316,252,685,506.06 - Step 5: Solve for x
x = 316,252,685,506.06/598,478.88 - Step 6: Final answer
x = 528,427.48
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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.