Finding the Fourth Proportional to 716,117.96, 988,254.83 and 410,221.09
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Solution
The fourth proportional to 716,117.96, 988,254.83 and 410,221.09 is: 566,112.00
Step by Step Solution
- Step 1: Write the proportion equation
716,117.96 : 988,254.83 = 410,221.09 : x - Step 2: Convert to fraction form
716,117.96/988,254.83 = 410,221.09/x - Step 3: Cross multiply
716,117.96x = 988,254.83 × 410,221.09 - Step 4: Simplify right side
716,117.96x = 405,402,969,038.62 - Step 5: Solve for x
x = 405,402,969,038.62/716,117.96 - Step 6: Final answer
x = 566,112.00
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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.