Finding the Fourth Proportional to 903,799.84, 1,354,047.36 and 423,145.84
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Solution
The fourth proportional to 903,799.84, 1,354,047.36 and 423,145.84 is: 633,945.13
Step by Step Solution
- Step 1: Write the proportion equation
903,799.84 : 1,354,047.36 = 423,145.84 : x - Step 2: Convert to fraction form
903,799.84/1,354,047.36 = 423,145.84/x - Step 3: Cross multiply
903,799.84x = 1,354,047.36 × 423,145.84 - Step 4: Simplify right side
903,799.84x = 572,959,507,546.98 - Step 5: Solve for x
x = 572,959,507,546.98/903,799.84 - Step 6: Final answer
x = 633,945.13
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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.