Finding the Fourth Proportional to 725,310.87, 1,000,884.99 and 403,009.95
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Solution
The fourth proportional to 725,310.87, 1,000,884.99 and 403,009.95 is: 556,129.28
Step by Step Solution
- Step 1: Write the proportion equation
725,310.87 : 1,000,884.99 = 403,009.95 : x - Step 2: Convert to fraction form
725,310.87/1,000,884.99 = 403,009.95/x - Step 3: Cross multiply
725,310.87x = 1,000,884.99 × 403,009.95 - Step 4: Simplify right side
725,310.87x = 403,366,609,775.65 - Step 5: Solve for x
x = 403,366,609,775.65/725,310.87 - Step 6: Final answer
x = 556,129.28
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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.