Finding the Fourth Proportional to 852,139.98, 1,176,827.94 and 707,469.66
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Solution
The fourth proportional to 852,139.98, 1,176,827.94 and 707,469.66 is: 977,034.39
Step by Step Solution
- Step 1: Write the proportion equation
852,139.98 : 1,176,827.94 = 707,469.66 : x - Step 2: Convert to fraction form
852,139.98/1,176,827.94 = 707,469.66/x - Step 3: Cross multiply
852,139.98x = 1,176,827.94 × 707,469.66 - Step 4: Simplify right side
852,139.98x = 832,570,062,590.30 - Step 5: Solve for x
x = 832,570,062,590.30/852,139.98 - Step 6: Final answer
x = 977,034.39
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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.