Finding the Fourth Proportional to 757,152.24, 1,044,724.68 and 455,365.68
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Solution
The fourth proportional to 757,152.24, 1,044,724.68 and 455,365.68 is: 628,317.19
Step by Step Solution
- Step 1: Write the proportion equation
757,152.24 : 1,044,724.68 = 455,365.68 : x - Step 2: Convert to fraction form
757,152.24/1,044,724.68 = 455,365.68/x - Step 3: Cross multiply
757,152.24x = 1,044,724.68 × 455,365.68 - Step 4: Simplify right side
757,152.24x = 475,731,764,320.98 - Step 5: Solve for x
x = 475,731,764,320.98/757,152.24 - Step 6: Final answer
x = 628,317.19
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.