Finding the Fourth Proportional to 660,013.37, 989,861.49 and 304,686.01
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Solution
The fourth proportional to 660,013.37, 989,861.49 and 304,686.01 is: 456,955.82
Step by Step Solution
- Step 1: Write the proportion equation
660,013.37 : 989,861.49 = 304,686.01 : x - Step 2: Convert to fraction form
660,013.37/989,861.49 = 304,686.01/x - Step 3: Cross multiply
660,013.37x = 989,861.49 × 304,686.01 - Step 4: Simplify right side
660,013.37x = 301,596,945,366.10 - Step 5: Solve for x
x = 301,596,945,366.10/660,013.37 - Step 6: Final answer
x = 456,955.82
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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.