Finding the Fourth Proportional to 748,159.27, 1,030,285.19 and 649,997.12
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Solution
The fourth proportional to 748,159.27, 1,030,285.19 and 649,997.12 is: 895,106.75
Step by Step Solution
- Step 1: Write the proportion equation
748,159.27 : 1,030,285.19 = 649,997.12 : x - Step 2: Convert to fraction form
748,159.27/1,030,285.19 = 649,997.12/x - Step 3: Cross multiply
748,159.27x = 1,030,285.19 × 649,997.12 - Step 4: Simplify right side
748,159.27x = 669,682,410,479.36 - Step 5: Solve for x
x = 669,682,410,479.36/748,159.27 - Step 6: Final answer
x = 895,106.75
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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.