Finding the Fourth Proportional to 885,974.71, 1,329,092.49 and 286,736.71
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Solution
The fourth proportional to 885,974.71, 1,329,092.49 and 286,736.71 is: 430,147.28
Step by Step Solution
- Step 1: Write the proportion equation
885,974.71 : 1,329,092.49 = 286,736.71 : x - Step 2: Convert to fraction form
885,974.71/1,329,092.49 = 286,736.71/x - Step 3: Cross multiply
885,974.71x = 1,329,092.49 × 286,736.71 - Step 4: Simplify right side
885,974.71x = 381,099,607,868.31 - Step 5: Solve for x
x = 381,099,607,868.31/885,974.71 - Step 6: Final answer
x = 430,147.28
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.