Finding the Fourth Proportional to 816,077.12, 1,126,114.80 and 453,478.01
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Solution
The fourth proportional to 816,077.12, 1,126,114.80 and 453,478.01 is: 625,759.85
Step by Step Solution
- Step 1: Write the proportion equation
816,077.12 : 1,126,114.80 = 453,478.01 : x - Step 2: Convert to fraction form
816,077.12/1,126,114.80 = 453,478.01/x - Step 3: Cross multiply
816,077.12x = 1,126,114.80 × 453,478.01 - Step 4: Simplify right side
816,077.12x = 510,668,298,535.55 - Step 5: Solve for x
x = 510,668,298,535.55/816,077.12 - Step 6: Final answer
x = 625,759.85
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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.