Finding the Fourth Proportional to 866,039.77, 1,195,113.67 and 478,844.99
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Solution
The fourth proportional to 866,039.77, 1,195,113.67 and 478,844.99 is: 660,794.36
Step by Step Solution
- Step 1: Write the proportion equation
866,039.77 : 1,195,113.67 = 478,844.99 : x - Step 2: Convert to fraction form
866,039.77/1,195,113.67 = 478,844.99/x - Step 3: Cross multiply
866,039.77x = 1,195,113.67 × 478,844.99 - Step 4: Simplify right side
866,039.77x = 572,274,193,360.01 - Step 5: Solve for x
x = 572,274,193,360.01/866,039.77 - Step 6: Final answer
x = 660,794.36
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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.