Finding the Fourth Proportional to 598,721.63, 826,235.84 and 408,068.08
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Solution
The fourth proportional to 598,721.63, 826,235.84 and 408,068.08 is: 563,133.95
Step by Step Solution
- Step 1: Write the proportion equation
598,721.63 : 826,235.84 = 408,068.08 : x - Step 2: Convert to fraction form
598,721.63/826,235.84 = 408,068.08/x - Step 3: Cross multiply
598,721.63x = 826,235.84 × 408,068.08 - Step 4: Simplify right side
598,721.63x = 337,160,471,810.57 - Step 5: Solve for x
x = 337,160,471,810.57/598,721.63 - Step 6: Final answer
x = 563,133.95
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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.