Finding the Fourth Proportional to 628,720.18, 942,551.27 and 273,466.63
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Solution
The fourth proportional to 628,720.18, 942,551.27 and 273,466.63 is: 409,969.85
Step by Step Solution
- Step 1: Write the proportion equation
628,720.18 : 942,551.27 = 273,466.63 : x - Step 2: Convert to fraction form
628,720.18/942,551.27 = 273,466.63/x - Step 3: Cross multiply
628,720.18x = 942,551.27 × 273,466.63 - Step 4: Simplify right side
628,720.18x = 257,756,318,041.79 - Step 5: Solve for x
x = 257,756,318,041.79/628,720.18 - Step 6: Final answer
x = 409,969.85
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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.