Finding the Fourth Proportional to 526,649.58, 726,776.46 and 284,931.99
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Solution
The fourth proportional to 526,649.58, 726,776.46 and 284,931.99 is: 393,206.17
Step by Step Solution
- Step 1: Write the proportion equation
526,649.58 : 726,776.46 = 284,931.99 : x - Step 2: Convert to fraction form
526,649.58/726,776.46 = 284,931.99/x - Step 3: Cross multiply
526,649.58x = 726,776.46 × 284,931.99 - Step 4: Simplify right side
526,649.58x = 207,081,863,032.96 - Step 5: Solve for x
x = 207,081,863,032.96/526,649.58 - Step 6: Final answer
x = 393,206.17
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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.