Finding the Fourth Proportional to 936,588.48, 1,292,492.09 and 506,868.62
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Solution
The fourth proportional to 936,588.48, 1,292,492.09 and 506,868.62 is: 699,478.68
Step by Step Solution
- Step 1: Write the proportion equation
936,588.48 : 1,292,492.09 = 506,868.62 : x - Step 2: Convert to fraction form
936,588.48/1,292,492.09 = 506,868.62/x - Step 3: Cross multiply
936,588.48x = 1,292,492.09 × 506,868.62 - Step 4: Simplify right side
936,588.48x = 655,123,673,022.41 - Step 5: Solve for x
x = 655,123,673,022.41/936,588.48 - Step 6: Final answer
x = 699,478.68
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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.