Finding the Fourth Proportional to 945,590.18, 1,304,868.94 and 515,844.68
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Solution
The fourth proportional to 945,590.18, 1,304,868.94 and 515,844.68 is: 711,840.83
Step by Step Solution
- Step 1: Write the proportion equation
945,590.18 : 1,304,868.94 = 515,844.68 : x - Step 2: Convert to fraction form
945,590.18/1,304,868.94 = 515,844.68/x - Step 3: Cross multiply
945,590.18x = 1,304,868.94 × 515,844.68 - Step 4: Simplify right side
945,590.18x = 673,109,700,796.24 - Step 5: Solve for x
x = 673,109,700,796.24/945,590.18 - Step 6: Final answer
x = 711,840.83
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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.