Finding the Fourth Proportional to 848,129.40, 1,170,427.61 and 460,944.81
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Solution
The fourth proportional to 848,129.40, 1,170,427.61 and 460,944.81 is: 636,108.75
Step by Step Solution
- Step 1: Write the proportion equation
848,129.40 : 1,170,427.61 = 460,944.81 : x - Step 2: Convert to fraction form
848,129.40/1,170,427.61 = 460,944.81/x - Step 3: Cross multiply
848,129.40x = 1,170,427.61 × 460,944.81 - Step 4: Simplify right side
848,129.40x = 539,502,533,462.57 - Step 5: Solve for x
x = 539,502,533,462.57/848,129.40 - Step 6: Final answer
x = 636,108.75
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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.