Finding the Fourth Proportional to 961,638.71, 1,441,183.91 and 511,390.08
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Solution
The fourth proportional to 961,638.71, 1,441,183.91 and 511,390.08 is: 766,407.54
Step by Step Solution
- Step 1: Write the proportion equation
961,638.71 : 1,441,183.91 = 511,390.08 : x - Step 2: Convert to fraction form
961,638.71/1,441,183.91 = 511,390.08/x - Step 3: Cross multiply
961,638.71x = 1,441,183.91 × 511,390.08 - Step 4: Simplify right side
961,638.71x = 737,007,152,472.66 - Step 5: Solve for x
x = 737,007,152,472.66/961,638.71 - Step 6: Final answer
x = 766,407.54
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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.