Finding the Fourth Proportional to 945,070.44, 1,304,228.70 and 515,374.08
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Solution
The fourth proportional to 945,070.44, 1,304,228.70 and 515,374.08 is: 711,233.40
Step by Step Solution
- Step 1: Write the proportion equation
945,070.44 : 1,304,228.70 = 515,374.08 : x - Step 2: Convert to fraction form
945,070.44/1,304,228.70 = 515,374.08/x - Step 3: Cross multiply
945,070.44x = 1,304,228.70 × 515,374.08 - Step 4: Simplify right side
945,070.44x = 672,165,666,372.10 - Step 5: Solve for x
x = 672,165,666,372.10/945,070.44 - Step 6: Final answer
x = 711,233.40
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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.