Finding the Fourth Proportional to 769,623.32, 1,154,434.98 and 466,078.65
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Solution
The fourth proportional to 769,623.32, 1,154,434.98 and 466,078.65 is: 699,117.98
Step by Step Solution
- Step 1: Write the proportion equation
769,623.32 : 1,154,434.98 = 466,078.65 : x - Step 2: Convert to fraction form
769,623.32/1,154,434.98 = 466,078.65/x - Step 3: Cross multiply
769,623.32x = 1,154,434.98 × 466,078.65 - Step 4: Simplify right side
769,623.32x = 538,057,496,991.18 - Step 5: Solve for x
x = 538,057,496,991.18/769,623.32 - Step 6: Final answer
x = 699,117.98
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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.