Finding the Fourth Proportional to 688,952.19, 1,033,468.49 and 209,195.63
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Solution
The fourth proportional to 688,952.19, 1,033,468.49 and 209,195.63 is: 313,805.65
Step by Step Solution
- Step 1: Write the proportion equation
688,952.19 : 1,033,468.49 = 209,195.63 : x - Step 2: Convert to fraction form
688,952.19/1,033,468.49 = 209,195.63/x - Step 3: Cross multiply
688,952.19x = 1,033,468.49 × 209,195.63 - Step 4: Simplify right side
688,952.19x = 216,197,091,850.70 - Step 5: Solve for x
x = 216,197,091,850.70/688,952.19 - Step 6: Final answer
x = 313,805.65
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.