Finding the Fourth Proportional to 505,584.08, 757,512.95 and 278,070.14
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Solution
The fourth proportional to 505,584.08, 757,512.95 and 278,070.14 is: 416,630.47
Step by Step Solution
- Step 1: Write the proportion equation
505,584.08 : 757,512.95 = 278,070.14 : x - Step 2: Convert to fraction form
505,584.08/757,512.95 = 278,070.14/x - Step 3: Cross multiply
505,584.08x = 757,512.95 × 278,070.14 - Step 4: Simplify right side
505,584.08x = 210,641,732,058.31 - Step 5: Solve for x
x = 210,641,732,058.31/505,584.08 - Step 6: Final answer
x = 416,630.47
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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.