Finding the Fourth Proportional to 573,272.58, 789,309.18 and 520,128.48
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Solution
The fourth proportional to 573,272.58, 789,309.18 and 520,128.48 is: 716,137.83
Step by Step Solution
- Step 1: Write the proportion equation
573,272.58 : 789,309.18 = 520,128.48 : x - Step 2: Convert to fraction form
573,272.58/789,309.18 = 520,128.48/x - Step 3: Cross multiply
573,272.58x = 789,309.18 × 520,128.48 - Step 4: Simplify right side
573,272.58x = 410,542,184,043.45 - Step 5: Solve for x
x = 410,542,184,043.45/573,272.58 - Step 6: Final answer
x = 716,137.83
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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.