Finding the Fourth Proportional to 885,888.99, 1,329,027.28 and 286,910.70
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Solution
The fourth proportional to 885,888.99, 1,329,027.28 and 286,910.70 is: 430,428.81
Step by Step Solution
- Step 1: Write the proportion equation
885,888.99 : 1,329,027.28 = 286,910.70 : x - Step 2: Convert to fraction form
885,888.99/1,329,027.28 = 286,910.70/x - Step 3: Cross multiply
885,888.99x = 1,329,027.28 × 286,910.70 - Step 4: Simplify right side
885,888.99x = 381,312,143,184.05 - Step 5: Solve for x
x = 381,312,143,184.05/885,888.99 - Step 6: Final answer
x = 430,428.81
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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.