Finding the Fourth Proportional to 616,434.21, 850,705.49 and 344,502.11
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Solution
The fourth proportional to 616,434.21, 850,705.49 and 344,502.11 is: 475,427.59
Step by Step Solution
- Step 1: Write the proportion equation
616,434.21 : 850,705.49 = 344,502.11 : x - Step 2: Convert to fraction form
616,434.21/850,705.49 = 344,502.11/x - Step 3: Cross multiply
616,434.21x = 850,705.49 × 344,502.11 - Step 4: Simplify right side
616,434.21x = 293,069,832,329.31 - Step 5: Solve for x
x = 293,069,832,329.31/616,434.21 - Step 6: Final answer
x = 475,427.59
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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.