Finding the Fourth Proportional to 816,130.35, 1,126,085.90 and 493,776.27
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Solution
The fourth proportional to 816,130.35, 1,126,085.90 and 493,776.27 is: 681,305.99
Step by Step Solution
- Step 1: Write the proportion equation
816,130.35 : 1,126,085.90 = 493,776.27 : x - Step 2: Convert to fraction form
816,130.35/1,126,085.90 = 493,776.27/x - Step 3: Cross multiply
816,130.35x = 1,126,085.90 × 493,776.27 - Step 4: Simplify right side
816,130.35x = 556,034,492,932.71 - Step 5: Solve for x
x = 556,034,492,932.71/816,130.35 - Step 6: Final answer
x = 681,305.99
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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.