Finding the Fourth Proportional to 703,062.27, 970,221.10 and 380,764.99
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Solution
The fourth proportional to 703,062.27, 970,221.10 and 380,764.99 is: 525,453.07
Step by Step Solution
- Step 1: Write the proportion equation
703,062.27 : 970,221.10 = 380,764.99 : x - Step 2: Convert to fraction form
703,062.27/970,221.10 = 380,764.99/x - Step 3: Cross multiply
703,062.27x = 970,221.10 × 380,764.99 - Step 4: Simplify right side
703,062.27x = 369,426,227,439.29 - Step 5: Solve for x
x = 369,426,227,439.29/703,062.27 - Step 6: Final answer
x = 525,453.07
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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.