Finding the Fourth Proportional to 898,313.76, 1,239,598.53 and 511,026.12
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Solution
The fourth proportional to 898,313.76, 1,239,598.53 and 511,026.12 is: 705,173.69
Step by Step Solution
- Step 1: Write the proportion equation
898,313.76 : 1,239,598.53 = 511,026.12 : x - Step 2: Convert to fraction form
898,313.76/1,239,598.53 = 511,026.12/x - Step 3: Cross multiply
898,313.76x = 1,239,598.53 × 511,026.12 - Step 4: Simplify right side
898,313.76x = 633,467,227,143.60 - Step 5: Solve for x
x = 633,467,227,143.60/898,313.76 - Step 6: Final answer
x = 705,173.69
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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.