Finding the Fourth Proportional to 480,965.18, 721,225.35 and 270,603.09
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Solution
The fourth proportional to 480,965.18, 721,225.35 and 270,603.09 is: 405,779.50
Step by Step Solution
- Step 1: Write the proportion equation
480,965.18 : 721,225.35 = 270,603.09 : x - Step 2: Convert to fraction form
480,965.18/721,225.35 = 270,603.09/x - Step 3: Cross multiply
480,965.18x = 721,225.35 × 270,603.09 - Step 4: Simplify right side
480,965.18x = 195,165,808,296.33 - Step 5: Solve for x
x = 195,165,808,296.33/480,965.18 - Step 6: Final answer
x = 405,779.50
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.