Finding the Fourth Proportional to 627,502.60, 865,920.43 and 355,573.75
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Solution
The fourth proportional to 627,502.60, 865,920.43 and 355,573.75 is: 490,672.99
Step by Step Solution
- Step 1: Write the proportion equation
627,502.60 : 865,920.43 = 355,573.75 : x - Step 2: Convert to fraction form
627,502.60/865,920.43 = 355,573.75/x - Step 3: Cross multiply
627,502.60x = 865,920.43 × 355,573.75 - Step 4: Simplify right side
627,502.60x = 307,898,574,496.71 - Step 5: Solve for x
x = 307,898,574,496.71/627,502.60 - Step 6: Final answer
x = 490,672.99
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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.