Finding the Fourth Proportional to 1,016,832.99, 1,403,228.99 and 557,950.58
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Solution
The fourth proportional to 1,016,832.99, 1,403,228.99 and 557,950.58 is: 769,971.50
Step by Step Solution
- Step 1: Write the proportion equation
1,016,832.99 : 1,403,228.99 = 557,950.58 : x - Step 2: Convert to fraction form
1,016,832.99/1,403,228.99 = 557,950.58/x - Step 3: Cross multiply
1,016,832.99x = 1,403,228.99 × 557,950.58 - Step 4: Simplify right side
1,016,832.99x = 782,932,423,940.37 - Step 5: Solve for x
x = 782,932,423,940.37/1,016,832.99 - Step 6: Final answer
x = 769,971.50
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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.