Finding the Fourth Proportional to 936,530.19, 1,292,414.94 and 506,810.21
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Solution
The fourth proportional to 936,530.19, 1,292,414.94 and 506,810.21 is: 699,399.86
Step by Step Solution
- Step 1: Write the proportion equation
936,530.19 : 1,292,414.94 = 506,810.21 : x - Step 2: Convert to fraction form
936,530.19/1,292,414.94 = 506,810.21/x - Step 3: Cross multiply
936,530.19x = 1,292,414.94 × 506,810.21 - Step 4: Simplify right side
936,530.19x = 655,009,080,686.46 - Step 5: Solve for x
x = 655,009,080,686.46/936,530.19 - Step 6: Final answer
x = 699,399.86
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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.