Finding the Fourth Proportional to 832,518.12, 1,148,874.76 and 450,544.80
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Solution
The fourth proportional to 832,518.12, 1,148,874.76 and 450,544.80 is: 621,751.69
Step by Step Solution
- Step 1: Write the proportion equation
832,518.12 : 1,148,874.76 = 450,544.80 : x - Step 2: Convert to fraction form
832,518.12/1,148,874.76 = 450,544.80/x - Step 3: Cross multiply
832,518.12x = 1,148,874.76 × 450,544.80 - Step 4: Simplify right side
832,518.12x = 517,619,548,969.25 - Step 5: Solve for x
x = 517,619,548,969.25/832,518.12 - Step 6: Final answer
x = 621,751.69
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1.5x scale
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.