Finding the Fourth Proportional to 688,950.19, 1,033,465.49 and 209,193.63
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Solution
The fourth proportional to 688,950.19, 1,033,465.49 and 209,193.63 is: 313,802.66
Step by Step Solution
- Step 1: Write the proportion equation
688,950.19 : 1,033,465.49 = 209,193.63 : x - Step 2: Convert to fraction form
688,950.19/1,033,465.49 = 209,193.63/x - Step 3: Cross multiply
688,950.19x = 1,033,465.49 × 209,193.63 - Step 4: Simplify right side
688,950.19x = 216,194,397,332.83 - Step 5: Solve for x
x = 216,194,397,332.83/688,950.19 - Step 6: Final answer
x = 313,802.66
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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.