Finding the Fourth Proportional to 812,262.39, 1,120,922.36 and 444,762.81
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Solution
The fourth proportional to 812,262.39, 1,120,922.36 and 444,762.81 is: 613,772.82
Step by Step Solution
- Step 1: Write the proportion equation
812,262.39 : 1,120,922.36 = 444,762.81 : x - Step 2: Convert to fraction form
812,262.39/1,120,922.36 = 444,762.81/x - Step 3: Cross multiply
812,262.39x = 1,120,922.36 × 444,762.81 - Step 4: Simplify right side
812,262.39x = 498,544,578,069.48 - Step 5: Solve for x
x = 498,544,578,069.48/812,262.39 - Step 6: Final answer
x = 613,772.82
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1.5x scale
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.