Finding the Fourth Proportional to 970,118.12, 1,455,166.94 and 379,137
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Solution
The fourth proportional to 970,118.12, 1,455,166.94 and 379,137 is: 568,701.50
Step by Step Solution
- Step 1: Write the proportion equation
970,118.12 : 1,455,166.94 = 379,137 : x - Step 2: Convert to fraction form
970,118.12/1,455,166.94 = 379,137/x - Step 3: Cross multiply
970,118.12x = 1,455,166.94 × 379,137 - Step 4: Simplify right side
970,118.12x = 551,707,628,130.78 - Step 5: Solve for x
x = 551,707,628,130.78/970,118.12 - Step 6: Final answer
x = 568,701.50
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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.