Finding the Fourth Proportional to 778,115.36, 1,166,735.28 and 245,537.12
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Solution
The fourth proportional to 778,115.36, 1,166,735.28 and 245,537.12 is: 368,167.54
Step by Step Solution
- Step 1: Write the proportion equation
778,115.36 : 1,166,735.28 = 245,537.12 : x - Step 2: Convert to fraction form
778,115.36/1,166,735.28 = 245,537.12/x - Step 3: Cross multiply
778,115.36x = 1,166,735.28 × 245,537.12 - Step 4: Simplify right side
778,115.36x = 286,476,820,453.59 - Step 5: Solve for x
x = 286,476,820,453.59/778,115.36 - Step 6: Final answer
x = 368,167.54
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.