Finding the Fourth Proportional to 656,006.05, 905,305.85 and 369,509.05
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Solution
The fourth proportional to 656,006.05, 905,305.85 and 369,509.05 is: 509,932.35
Step by Step Solution
- Step 1: Write the proportion equation
656,006.05 : 905,305.85 = 369,509.05 : x - Step 2: Convert to fraction form
656,006.05/905,305.85 = 369,509.05/x - Step 3: Cross multiply
656,006.05x = 905,305.85 × 369,509.05 - Step 4: Simplify right side
656,006.05x = 334,518,704,592.94 - Step 5: Solve for x
x = 334,518,704,592.94/656,006.05 - Step 6: Final answer
x = 509,932.35
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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.