Finding the Fourth Proportional to 900,587.20, 1,350,882.36 and 368,107.76
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Solution
The fourth proportional to 900,587.20, 1,350,882.36 and 368,107.76 is: 552,162.28
Step by Step Solution
- Step 1: Write the proportion equation
900,587.20 : 1,350,882.36 = 368,107.76 : x - Step 2: Convert to fraction form
900,587.20/1,350,882.36 = 368,107.76/x - Step 3: Cross multiply
900,587.20x = 1,350,882.36 × 368,107.76 - Step 4: Simplify right side
900,587.20x = 497,270,279,563.11 - Step 5: Solve for x
x = 497,270,279,563.11/900,587.20 - Step 6: Final answer
x = 552,162.28
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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.