Finding the Fourth Proportional to 752,840.52, 1,129,088.50 and 449,320.38
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Solution
The fourth proportional to 752,840.52, 1,129,088.50 and 449,320.38 is: 673,877.75
Step by Step Solution
- Step 1: Write the proportion equation
752,840.52 : 1,129,088.50 = 449,320.38 : x - Step 2: Convert to fraction form
752,840.52/1,129,088.50 = 449,320.38/x - Step 3: Cross multiply
752,840.52x = 1,129,088.50 × 449,320.38 - Step 4: Simplify right side
752,840.52x = 507,322,473,873.63 - Step 5: Solve for x
x = 507,322,473,873.63/752,840.52 - Step 6: Final answer
x = 673,877.75
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.