Finding the Fourth Proportional to 716,409.66, 988,085.64 and 444,324.99
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Solution
The fourth proportional to 716,409.66, 988,085.64 and 444,324.99 is: 612,821.36
Step by Step Solution
- Step 1: Write the proportion equation
716,409.66 : 988,085.64 = 444,324.99 : x - Step 2: Convert to fraction form
716,409.66/988,085.64 = 444,324.99/x - Step 3: Cross multiply
716,409.66x = 988,085.64 × 444,324.99 - Step 4: Simplify right side
716,409.66x = 439,031,142,112.14 - Step 5: Solve for x
x = 439,031,142,112.14/716,409.66 - Step 6: Final answer
x = 612,821.36
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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.