Finding the Fourth Proportional to 885,690.81, 1,328,747.02 and 286,651.97
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Solution
The fourth proportional to 885,690.81, 1,328,747.02 and 286,651.97 is: 430,046.18
Step by Step Solution
- Step 1: Write the proportion equation
885,690.81 : 1,328,747.02 = 286,651.97 : x - Step 2: Convert to fraction form
885,690.81/1,328,747.02 = 286,651.97/x - Step 3: Cross multiply
885,690.81x = 1,328,747.02 × 286,651.97 - Step 4: Simplify right side
885,690.81x = 380,887,953,519.87 - Step 5: Solve for x
x = 380,887,953,519.87/885,690.81 - Step 6: Final answer
x = 430,046.18
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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.