Finding the Fourth Proportional to 963,441.16, 1,329,690.36 and 555,463.14
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Solution
The fourth proportional to 963,441.16, 1,329,690.36 and 555,463.14 is: 766,620.76
Step by Step Solution
- Step 1: Write the proportion equation
963,441.16 : 1,329,690.36 = 555,463.14 : x - Step 2: Convert to fraction form
963,441.16/1,329,690.36 = 555,463.14/x - Step 3: Cross multiply
963,441.16x = 1,329,690.36 × 555,463.14 - Step 4: Simplify right side
963,441.16x = 738,593,989,737.55 - Step 5: Solve for x
x = 738,593,989,737.55/963,441.16 - Step 6: Final answer
x = 766,620.76
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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.