Finding the Fourth Proportional to 829,307.46, 1,144,797.45 and 557,532.99
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Solution
The fourth proportional to 829,307.46, 1,144,797.45 and 557,532.99 is: 769,632.95
Step by Step Solution
- Step 1: Write the proportion equation
829,307.46 : 1,144,797.45 = 557,532.99 : x - Step 2: Convert to fraction form
829,307.46/1,144,797.45 = 557,532.99/x - Step 3: Cross multiply
829,307.46x = 1,144,797.45 × 557,532.99 - Step 4: Simplify right side
829,307.46x = 638,262,345,242.88 - Step 5: Solve for x
x = 638,262,345,242.88/829,307.46 - Step 6: Final answer
x = 769,632.95
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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.