Finding the Fourth Proportional to 412,195.77, 567,858.96 and 387,395.19
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Solution
The fourth proportional to 412,195.77, 567,858.96 and 387,395.19 is: 533,692.59
Step by Step Solution
- Step 1: Write the proportion equation
412,195.77 : 567,858.96 = 387,395.19 : x - Step 2: Convert to fraction form
412,195.77/567,858.96 = 387,395.19/x - Step 3: Cross multiply
412,195.77x = 567,858.96 × 387,395.19 - Step 4: Simplify right side
412,195.77x = 219,985,829,702.40 - Step 5: Solve for x
x = 219,985,829,702.40/412,195.77 - Step 6: Final answer
x = 533,692.59
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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.