Finding the Fourth Proportional to 1,382,930.69, 1,908,304.65 and 771,026.00
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Solution
The fourth proportional to 1,382,930.69, 1,908,304.65 and 771,026.00 is: 1,063,937.99
Step by Step Solution
- Step 1: Write the proportion equation
1,382,930.69 : 1,908,304.65 = 771,026.00 : x - Step 2: Convert to fraction form
1,382,930.69/1,908,304.65 = 771,026.00/x - Step 3: Cross multiply
1,382,930.69x = 1,908,304.65 × 771,026.00 - Step 4: Simplify right side
1,382,930.69x = 1,471,352,491,529.38 - Step 5: Solve for x
x = 1,471,352,491,529.38/1,382,930.69 - Step 6: Final answer
x = 1,063,937.99
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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.