Finding the Fourth Proportional to 967,811.88, 1,335,725.64 and 696,776.88
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Solution
The fourth proportional to 967,811.88, 1,335,725.64 and 696,776.88 is: 961,656.66
Step by Step Solution
- Step 1: Write the proportion equation
967,811.88 : 1,335,725.64 = 696,776.88 : x - Step 2: Convert to fraction form
967,811.88/1,335,725.64 = 696,776.88/x - Step 3: Cross multiply
967,811.88x = 1,335,725.64 × 696,776.88 - Step 4: Simplify right side
967,811.88x = 930,702,743,975.20 - Step 5: Solve for x
x = 930,702,743,975.20/967,811.88 - Step 6: Final answer
x = 961,656.66
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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.