Finding the Fourth Proportional to 963,670.38, 1,329,845.49 and 533,949.18
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Solution
The fourth proportional to 963,670.38, 1,329,845.49 and 533,949.18 is: 736,838.99
Step by Step Solution
- Step 1: Write the proportion equation
963,670.38 : 1,329,845.49 = 533,949.18 : x - Step 2: Convert to fraction form
963,670.38/1,329,845.49 = 533,949.18/x - Step 3: Cross multiply
963,670.38x = 1,329,845.49 × 533,949.18 - Step 4: Simplify right side
963,670.38x = 710,069,908,912.20 - Step 5: Solve for x
x = 710,069,908,912.20/963,670.38 - Step 6: Final answer
x = 736,838.99
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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.