Finding the Fourth Proportional to 885,872.19, 1,329,019.94 and 286,833.99
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Solution
The fourth proportional to 885,872.19, 1,329,019.94 and 286,833.99 is: 430,319.51
Step by Step Solution
- Step 1: Write the proportion equation
885,872.19 : 1,329,019.94 = 286,833.99 : x - Step 2: Convert to fraction form
885,872.19/1,329,019.94 = 286,833.99/x - Step 3: Cross multiply
885,872.19x = 1,329,019.94 × 286,833.99 - Step 4: Simplify right side
885,872.19x = 381,208,090,745.59 - Step 5: Solve for x
x = 381,208,090,745.59/885,872.19 - Step 6: Final answer
x = 430,319.51
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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.