Finding the Fourth Proportional to 557,337.57, 769,173.28 and 315,663.13
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Solution
The fourth proportional to 557,337.57, 769,173.28 and 315,663.13 is: 435,641.99
Step by Step Solution
- Step 1: Write the proportion equation
557,337.57 : 769,173.28 = 315,663.13 : x - Step 2: Convert to fraction form
557,337.57/769,173.28 = 315,663.13/x - Step 3: Cross multiply
557,337.57x = 769,173.28 × 315,663.13 - Step 4: Simplify right side
557,337.57x = 242,799,643,498.85 - Step 5: Solve for x
x = 242,799,643,498.85/557,337.57 - Step 6: Final answer
x = 435,641.99
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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.