Finding the Fourth Proportional to 913,288.36, 1,260,844.68 and 550,804.42
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Solution
The fourth proportional to 913,288.36, 1,260,844.68 and 550,804.42 is: 760,415.72
Step by Step Solution
- Step 1: Write the proportion equation
913,288.36 : 1,260,844.68 = 550,804.42 : x - Step 2: Convert to fraction form
913,288.36/1,260,844.68 = 550,804.42/x - Step 3: Cross multiply
913,288.36x = 1,260,844.68 × 550,804.42 - Step 4: Simplify right side
913,288.36x = 694,478,822,677.49 - Step 5: Solve for x
x = 694,478,822,677.49/913,288.36 - Step 6: Final answer
x = 760,415.72
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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.