Finding the Fourth Proportional to 965,073.84, 1,332,492.12 and 643,542
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Solution
The fourth proportional to 965,073.84, 1,332,492.12 and 643,542 is: 888,548.22
Step by Step Solution
- Step 1: Write the proportion equation
965,073.84 : 1,332,492.12 = 643,542 : x - Step 2: Convert to fraction form
965,073.84/1,332,492.12 = 643,542/x - Step 3: Cross multiply
965,073.84x = 1,332,492.12 × 643,542 - Step 4: Simplify right side
965,073.84x = 857,514,643,889.04 - Step 5: Solve for x
x = 857,514,643,889.04/965,073.84 - Step 6: Final answer
x = 888,548.22
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.