Finding the Fourth Proportional to 752,838.76, 1,129,085.88 and 449,318.62
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Solution
The fourth proportional to 752,838.76, 1,129,085.88 and 449,318.62 is: 673,875.12
Step by Step Solution
- Step 1: Write the proportion equation
752,838.76 : 1,129,085.88 = 449,318.62 : x - Step 2: Convert to fraction form
752,838.76/1,129,085.88 = 449,318.62/x - Step 3: Cross multiply
752,838.76x = 1,129,085.88 × 449,318.62 - Step 4: Simplify right side
752,838.76x = 507,319,309,463.09 - Step 5: Solve for x
x = 507,319,309,463.09/752,838.76 - Step 6: Final answer
x = 673,875.12
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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.