Finding the Fourth Proportional to 936,556.44, 1,292,447.68 and 506,836.56
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Solution
The fourth proportional to 936,556.44, 1,292,447.68 and 506,836.56 is: 699,434.34
Step by Step Solution
- Step 1: Write the proportion equation
936,556.44 : 1,292,447.68 = 506,836.56 : x - Step 2: Convert to fraction form
936,556.44/1,292,447.68 = 506,836.56/x - Step 3: Cross multiply
936,556.44x = 1,292,447.68 × 506,836.56 - Step 4: Simplify right side
936,556.44x = 655,059,736,111.18 - Step 5: Solve for x
x = 655,059,736,111.18/936,556.44 - Step 6: Final answer
x = 699,434.34
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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.