Finding the Fourth Proportional to 722,373.21, 996,882.37 and 435,837.94
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Solution
The fourth proportional to 722,373.21, 996,882.37 and 435,837.94 is: 601,460.78
Step by Step Solution
- Step 1: Write the proportion equation
722,373.21 : 996,882.37 = 435,837.94 : x - Step 2: Convert to fraction form
722,373.21/996,882.37 = 435,837.94/x - Step 3: Cross multiply
722,373.21x = 996,882.37 × 435,837.94 - Step 4: Simplify right side
722,373.21x = 434,479,154,981.32 - Step 5: Solve for x
x = 434,479,154,981.32/722,373.21 - Step 6: Final answer
x = 601,460.78
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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.