Finding the Fourth Proportional to 656,005.05, 905,304.47 and 369,508.05
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Solution
The fourth proportional to 656,005.05, 905,304.47 and 369,508.05 is: 509,930.96
Step by Step Solution
- Step 1: Write the proportion equation
656,005.05 : 905,304.47 = 369,508.05 : x - Step 2: Convert to fraction form
656,005.05/905,304.47 = 369,508.05/x - Step 3: Cross multiply
656,005.05x = 905,304.47 × 369,508.05 - Step 4: Simplify right side
656,005.05x = 334,517,287,518.44 - Step 5: Solve for x
x = 334,517,287,518.44/656,005.05 - Step 6: Final answer
x = 509,930.96
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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.