Finding the Fourth Proportional to 984,773.55, 1,358,997.86 and 555,053.68
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Solution
The fourth proportional to 984,773.55, 1,358,997.86 and 555,053.68 is: 765,979.92
Step by Step Solution
- Step 1: Write the proportion equation
984,773.55 : 1,358,997.86 = 555,053.68 : x - Step 2: Convert to fraction form
984,773.55/1,358,997.86 = 555,053.68/x - Step 3: Cross multiply
984,773.55x = 1,358,997.86 × 555,053.68 - Step 4: Simplify right side
984,773.55x = 754,316,764,310.06 - Step 5: Solve for x
x = 754,316,764,310.06/984,773.55 - Step 6: Final answer
x = 765,979.92
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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.