Finding the Fourth Proportional to 725,310.63, 1,000,884.66 and 403,009.69
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Solution
The fourth proportional to 725,310.63, 1,000,884.66 and 403,009.69 is: 556,128.92
Step by Step Solution
- Step 1: Write the proportion equation
725,310.63 : 1,000,884.66 = 403,009.69 : x - Step 2: Convert to fraction form
725,310.63/1,000,884.66 = 403,009.69/x - Step 3: Cross multiply
725,310.63x = 1,000,884.66 × 403,009.69 - Step 4: Simplify right side
725,310.63x = 403,366,216,552.36 - Step 5: Solve for x
x = 403,366,216,552.36/725,310.63 - Step 6: Final answer
x = 556,128.92
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.