Finding the Fourth Proportional to 634,893.93, 876,164.31 and 348,440.67
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Solution
The fourth proportional to 634,893.93, 876,164.31 and 348,440.67 is: 480,853.99
Step by Step Solution
- Step 1: Write the proportion equation
634,893.93 : 876,164.31 = 348,440.67 : x - Step 2: Convert to fraction form
634,893.93/876,164.31 = 348,440.67/x - Step 3: Cross multiply
634,893.93x = 876,164.31 × 348,440.67 - Step 4: Simplify right side
634,893.93x = 305,291,279,206.49 - Step 5: Solve for x
x = 305,291,279,206.49/634,893.93 - Step 6: Final answer
x = 480,853.99
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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.