Finding the Fourth Proportional to 634,102.19, 875,037.57 and 343,707.52
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Solution
The fourth proportional to 634,102.19, 875,037.57 and 343,707.52 is: 474,303.66
Step by Step Solution
- Step 1: Write the proportion equation
634,102.19 : 875,037.57 = 343,707.52 : x - Step 2: Convert to fraction form
634,102.19/875,037.57 = 343,707.52/x - Step 3: Cross multiply
634,102.19x = 875,037.57 × 343,707.52 - Step 4: Simplify right side
634,102.19x = 300,756,988,716.34 - Step 5: Solve for x
x = 300,756,988,716.34/634,102.19 - Step 6: Final answer
x = 474,303.66
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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.