Finding the Fourth Proportional to 896,718.36, 1,237,816.80 and 656,905.62
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Solution
The fourth proportional to 896,718.36, 1,237,816.80 and 656,905.62 is: 906,782.83
Step by Step Solution
- Step 1: Write the proportion equation
896,718.36 : 1,237,816.80 = 656,905.62 : x - Step 2: Convert to fraction form
896,718.36/1,237,816.80 = 656,905.62/x - Step 3: Cross multiply
896,718.36x = 1,237,816.80 × 656,905.62 - Step 4: Simplify right side
896,718.36x = 813,128,812,450.42 - Step 5: Solve for x
x = 813,128,812,450.42/896,718.36 - Step 6: Final answer
x = 906,782.83
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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.