Finding the Fourth Proportional to 703,365.21, 970,586.55 and 412,946.19
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Solution
The fourth proportional to 703,365.21, 970,586.55 and 412,946.19 is: 569,832.02
Step by Step Solution
- Step 1: Write the proportion equation
703,365.21 : 970,586.55 = 412,946.19 : x - Step 2: Convert to fraction form
703,365.21/970,586.55 = 412,946.19/x - Step 3: Cross multiply
703,365.21x = 970,586.55 × 412,946.19 - Step 4: Simplify right side
703,365.21x = 400,800,017,887.75 - Step 5: Solve for x
x = 400,800,017,887.75/703,365.21 - Step 6: Final answer
x = 569,832.02
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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.