Finding the Fourth Proportional to 816,114.84, 1,126,166.76 and 453,515.76
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Solution
The fourth proportional to 816,114.84, 1,126,166.76 and 453,515.76 is: 625,811.89
Step by Step Solution
- Step 1: Write the proportion equation
816,114.84 : 1,126,166.76 = 453,515.76 : x - Step 2: Convert to fraction form
816,114.84/1,126,166.76 = 453,515.76/x - Step 3: Cross multiply
816,114.84x = 1,126,166.76 × 453,515.76 - Step 4: Simplify right side
816,114.84x = 510,734,374,048.14 - Step 5: Solve for x
x = 510,734,374,048.14/816,114.84 - Step 6: Final answer
x = 625,811.89
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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.