Finding the Fourth Proportional to 808,134.75, 1,212,664.37 and 408,807.99
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Solution
The fourth proportional to 808,134.75, 1,212,664.37 and 408,807.99 is: 613,445.82
Step by Step Solution
- Step 1: Write the proportion equation
808,134.75 : 1,212,664.37 = 408,807.99 : x - Step 2: Convert to fraction form
808,134.75/1,212,664.37 = 408,807.99/x - Step 3: Cross multiply
808,134.75x = 1,212,664.37 × 408,807.99 - Step 4: Simplify right side
808,134.75x = 495,746,881,600.28 - Step 5: Solve for x
x = 495,746,881,600.28/808,134.75 - Step 6: Final answer
x = 613,445.82
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.