Finding the Fourth Proportional to 804,630.98, 1,206,932.81 and 425,470.79
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Solution
The fourth proportional to 804,630.98, 1,206,932.81 and 425,470.79 is: 638,198.96
Step by Step Solution
- Step 1: Write the proportion equation
804,630.98 : 1,206,932.81 = 425,470.79 : x - Step 2: Convert to fraction form
804,630.98/1,206,932.81 = 425,470.79/x - Step 3: Cross multiply
804,630.98x = 1,206,932.81 × 425,470.79 - Step 4: Simplify right side
804,630.98x = 513,514,657,037.60 - Step 5: Solve for x
x = 513,514,657,037.60/804,630.98 - Step 6: Final answer
x = 638,198.96
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.