Finding the Fourth Proportional to 876,586.74, 1,209,708.59 and 484,118.52
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Solution
The fourth proportional to 876,586.74, 1,209,708.59 and 484,118.52 is: 668,093.99
Step by Step Solution
- Step 1: Write the proportion equation
876,586.74 : 1,209,708.59 = 484,118.52 : x - Step 2: Convert to fraction form
876,586.74/1,209,708.59 = 484,118.52/x - Step 3: Cross multiply
876,586.74x = 1,209,708.59 × 484,118.52 - Step 4: Simplify right side
876,586.74x = 585,642,329,801.49 - Step 5: Solve for x
x = 585,642,329,801.49/876,586.74 - Step 6: Final answer
x = 668,093.99
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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.