Finding the Fourth Proportional to 848,128.65, 1,170,426.57 and 460,944.06
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Solution
The fourth proportional to 848,128.65, 1,170,426.57 and 460,944.06 is: 636,107.71
Step by Step Solution
- Step 1: Write the proportion equation
848,128.65 : 1,170,426.57 = 460,944.06 : x - Step 2: Convert to fraction form
848,128.65/1,170,426.57 = 460,944.06/x - Step 3: Cross multiply
848,128.65x = 1,170,426.57 × 460,944.06 - Step 4: Simplify right side
848,128.65x = 539,501,175,107.67 - Step 5: Solve for x
x = 539,501,175,107.67/848,128.65 - Step 6: Final answer
x = 636,107.71
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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.