Finding the Fourth Proportional to 949,297.86, 1,310,034.06 and 519,605.82
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Solution
The fourth proportional to 949,297.86, 1,310,034.06 and 519,605.82 is: 717,057.68
Step by Step Solution
- Step 1: Write the proportion equation
949,297.86 : 1,310,034.06 = 519,605.82 : x - Step 2: Convert to fraction form
949,297.86/1,310,034.06 = 519,605.82/x - Step 3: Cross multiply
949,297.86x = 1,310,034.06 × 519,605.82 - Step 4: Simplify right side
949,297.86x = 680,701,321,974.23 - Step 5: Solve for x
x = 680,701,321,974.23/949,297.86 - Step 6: Final answer
x = 717,057.68
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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.