Finding the Fourth Proportional to 634,804.56, 876,048.84 and 348,342.84
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Solution
The fourth proportional to 634,804.56, 876,048.84 and 348,342.84 is: 480,723.30
Step by Step Solution
- Step 1: Write the proportion equation
634,804.56 : 876,048.84 = 348,342.84 : x - Step 2: Convert to fraction form
634,804.56/876,048.84 = 348,342.84/x - Step 3: Cross multiply
634,804.56x = 876,048.84 × 348,342.84 - Step 4: Simplify right side
634,804.56x = 305,165,340,904.31 - Step 5: Solve for x
x = 305,165,340,904.31/634,804.56 - Step 6: Final answer
x = 480,723.30
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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.