Finding the Fourth Proportional to 858,467.97, 1,184,686.43 and 514,503.63
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Solution
The fourth proportional to 858,467.97, 1,184,686.43 and 514,503.63 is: 710,015.38
Step by Step Solution
- Step 1: Write the proportion equation
858,467.97 : 1,184,686.43 = 514,503.63 : x - Step 2: Convert to fraction form
858,467.97/1,184,686.43 = 514,503.63/x - Step 3: Cross multiply
858,467.97x = 1,184,686.43 × 514,503.63 - Step 4: Simplify right side
858,467.97x = 609,525,466,074.22 - Step 5: Solve for x
x = 609,525,466,074.22/858,467.97 - Step 6: Final answer
x = 710,015.38
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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.