Finding the Fourth Proportional to 634,764.77, 875,972.67 and 348,278.70
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Solution
The fourth proportional to 634,764.77, 875,972.67 and 348,278.70 is: 480,623.12
Step by Step Solution
- Step 1: Write the proportion equation
634,764.77 : 875,972.67 = 348,278.70 : x - Step 2: Convert to fraction form
634,764.77/875,972.67 = 348,278.70/x - Step 3: Cross multiply
634,764.77x = 875,972.67 × 348,278.70 - Step 4: Simplify right side
634,764.77x = 305,082,622,743.13 - Step 5: Solve for x
x = 305,082,622,743.13/634,764.77 - Step 6: Final answer
x = 480,623.12
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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.