Finding the Fourth Proportional to 526,444.05, 726,490.49 and 284,726.91
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Solution
The fourth proportional to 526,444.05, 726,490.49 and 284,726.91 is: 392,921.89
Step by Step Solution
- Step 1: Write the proportion equation
526,444.05 : 726,490.49 = 284,726.91 : x - Step 2: Convert to fraction form
526,444.05/726,490.49 = 284,726.91/x - Step 3: Cross multiply
526,444.05x = 726,490.49 × 284,726.91 - Step 4: Simplify right side
526,444.05x = 206,851,390,938.45 - Step 5: Solve for x
x = 206,851,390,938.45/526,444.05 - Step 6: Final answer
x = 392,921.89
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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.