Finding the Fourth Proportional to 876,044.93, 1,313,037.14 and 395,712.09
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Solution
The fourth proportional to 876,044.93, 1,313,037.14 and 395,712.09 is: 593,102.77
Step by Step Solution
- Step 1: Write the proportion equation
876,044.93 : 1,313,037.14 = 395,712.09 : x - Step 2: Convert to fraction form
876,044.93/1,313,037.14 = 395,712.09/x - Step 3: Cross multiply
876,044.93x = 1,313,037.14 × 395,712.09 - Step 4: Simplify right side
876,044.93x = 519,584,668,938.46 - Step 5: Solve for x
x = 519,584,668,938.46/876,044.93 - Step 6: Final answer
x = 593,102.77
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1.5x scale
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.