Finding the Fourth Proportional to 776,042.68, 1,070,927.92 and 436,510.84
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Solution
The fourth proportional to 776,042.68, 1,070,927.92 and 436,510.84 is: 602,378.78
Step by Step Solution
- Step 1: Write the proportion equation
776,042.68 : 1,070,927.92 = 436,510.84 : x - Step 2: Convert to fraction form
776,042.68/1,070,927.92 = 436,510.84/x - Step 3: Cross multiply
776,042.68x = 1,070,927.92 × 436,510.84 - Step 4: Simplify right side
776,042.68x = 467,471,645,938.65 - Step 5: Solve for x
x = 467,471,645,938.65/776,042.68 - Step 6: Final answer
x = 602,378.78
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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.