Finding the Fourth Proportional to 936,540.68, 1,292,429.36 and 506,820.70
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Solution
The fourth proportional to 936,540.68, 1,292,429.36 and 506,820.70 is: 699,414.30
Step by Step Solution
- Step 1: Write the proportion equation
936,540.68 : 1,292,429.36 = 506,820.70 : x - Step 2: Convert to fraction form
936,540.68/1,292,429.36 = 506,820.70/x - Step 3: Cross multiply
936,540.68x = 1,292,429.36 × 506,820.70 - Step 4: Simplify right side
936,540.68x = 655,029,943,939.50 - Step 5: Solve for x
x = 655,029,943,939.50/936,540.68 - Step 6: Final answer
x = 699,414.30
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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.