Finding the Fourth Proportional to 885,865.17, 1,329,009.41 and 286,826.97
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Solution
The fourth proportional to 885,865.17, 1,329,009.41 and 286,826.97 is: 430,308.99
Step by Step Solution
- Step 1: Write the proportion equation
885,865.17 : 1,329,009.41 = 286,826.97 : x - Step 2: Convert to fraction form
885,865.17/1,329,009.41 = 286,826.97/x - Step 3: Cross multiply
885,865.17x = 1,329,009.41 × 286,826.97 - Step 4: Simplify right side
885,865.17x = 381,195,742,171.79 - Step 5: Solve for x
x = 381,195,742,171.79/885,865.17 - Step 6: Final answer
x = 430,308.99
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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.