Finding the Fourth Proportional to 837,414.18, 1,155,139.38 and 526,822.92
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Solution
The fourth proportional to 837,414.18, 1,155,139.38 and 526,822.92 is: 726,705.99
Step by Step Solution
- Step 1: Write the proportion equation
837,414.18 : 1,155,139.38 = 526,822.92 : x - Step 2: Convert to fraction form
837,414.18/1,155,139.38 = 526,822.92/x - Step 3: Cross multiply
837,414.18x = 1,155,139.38 × 526,822.92 - Step 4: Simplify right side
837,414.18x = 608,553,901,178.59 - Step 5: Solve for x
x = 608,553,901,178.59/837,414.18 - Step 6: Final answer
x = 726,705.99
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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.