Finding the Fourth Proportional to 877,716.27, 1,316,990.75 and 608,258.84
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Solution
The fourth proportional to 877,716.27, 1,316,990.75 and 608,258.84 is: 912,676.78
Step by Step Solution
- Step 1: Write the proportion equation
877,716.27 : 1,316,990.75 = 608,258.84 : x - Step 2: Convert to fraction form
877,716.27/1,316,990.75 = 608,258.84/x - Step 3: Cross multiply
877,716.27x = 1,316,990.75 × 608,258.84 - Step 4: Simplify right side
877,716.27x = 801,071,256,259.48 - Step 5: Solve for x
x = 801,071,256,259.48/877,716.27 - Step 6: Final answer
x = 912,676.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.