Finding the Fourth Proportional to 502,682.91, 693,684.86 and 276,326.79
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Solution
The fourth proportional to 502,682.91, 693,684.86 and 276,326.79 is: 381,321.32
Step by Step Solution
- Step 1: Write the proportion equation
502,682.91 : 693,684.86 = 276,326.79 : x - Step 2: Convert to fraction form
502,682.91/693,684.86 = 276,326.79/x - Step 3: Cross multiply
502,682.91x = 693,684.86 × 276,326.79 - Step 4: Simplify right side
502,682.91x = 191,683,709,253.77 - Step 5: Solve for x
x = 191,683,709,253.77/502,682.91 - Step 6: Final answer
x = 381,321.32
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1.5x scale
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.