Finding the Fourth Proportional to 526,395.36, 726,427.78 and 284,677.93
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Solution
The fourth proportional to 526,395.36, 726,427.78 and 284,677.93 is: 392,856.72
Step by Step Solution
- Step 1: Write the proportion equation
526,395.36 : 726,427.78 = 284,677.93 : x - Step 2: Convert to fraction form
526,395.36/726,427.78 = 284,677.93/x - Step 3: Cross multiply
526,395.36x = 726,427.78 × 284,677.93 - Step 4: Simplify right side
526,395.36x = 206,797,956,901.24 - Step 5: Solve for x
x = 206,797,956,901.24/526,395.36 - Step 6: Final answer
x = 392,856.72
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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.