Finding the Fourth Proportional to 709,295.13, 1,063,671.62 and 304,450.65
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Solution
The fourth proportional to 709,295.13, 1,063,671.62 and 304,450.65 is: 456,559.62
Step by Step Solution
- Step 1: Write the proportion equation
709,295.13 : 1,063,671.62 = 304,450.65 : x - Step 2: Convert to fraction form
709,295.13/1,063,671.62 = 304,450.65/x - Step 3: Cross multiply
709,295.13x = 1,063,671.62 × 304,450.65 - Step 4: Simplify right side
709,295.13x = 323,835,514,573.30 - Step 5: Solve for x
x = 323,835,514,573.30/709,295.13 - Step 6: Final answer
x = 456,559.62
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.