Finding the Fourth Proportional to 945,166.91, 1,304,291.00 and 515,439.23
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Solution
The fourth proportional to 945,166.91, 1,304,291.00 and 515,439.23 is: 711,284.68
Step by Step Solution
- Step 1: Write the proportion equation
945,166.91 : 1,304,291.00 = 515,439.23 : x - Step 2: Convert to fraction form
945,166.91/1,304,291.00 = 515,439.23/x - Step 3: Cross multiply
945,166.91x = 1,304,291.00 × 515,439.23 - Step 4: Simplify right side
945,166.91x = 672,282,746,158.73 - Step 5: Solve for x
x = 672,282,746,158.73/945,166.91 - Step 6: Final answer
x = 711,284.68
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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.