Finding the Fourth Proportional to 1,480,051.75, 2,220,428.64 and 482,779.75
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Solution
The fourth proportional to 1,480,051.75, 2,220,428.64 and 482,779.75 is: 724,284.12
Step by Step Solution
- Step 1: Write the proportion equation
1,480,051.75 : 2,220,428.64 = 482,779.75 : x - Step 2: Convert to fraction form
1,480,051.75/2,220,428.64 = 482,779.75/x - Step 3: Cross multiply
1,480,051.75x = 2,220,428.64 × 482,779.75 - Step 4: Simplify right side
1,480,051.75x = 1,071,977,983,712.04 - Step 5: Solve for x
x = 1,071,977,983,712.04/1,480,051.75 - Step 6: Final answer
x = 724,284.12
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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.