Finding the Fourth Proportional to 903,795.63, 1,247,260.92 and 495,897.36
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Solution
The fourth proportional to 903,795.63, 1,247,260.92 and 495,897.36 is: 684,350.95
Step by Step Solution
- Step 1: Write the proportion equation
903,795.63 : 1,247,260.92 = 495,897.36 : x - Step 2: Convert to fraction form
903,795.63/1,247,260.92 = 495,897.36/x - Step 3: Cross multiply
903,795.63x = 1,247,260.92 × 495,897.36 - Step 4: Simplify right side
903,795.63x = 618,513,397,459.17 - Step 5: Solve for x
x = 618,513,397,459.17/903,795.63 - Step 6: Final answer
x = 684,350.95
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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.