Finding the Fourth Proportional to 867,704.40, 1,197,397.08 and 505,138.68
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Solution
The fourth proportional to 867,704.40, 1,197,397.08 and 505,138.68 is: 697,071.01
Step by Step Solution
- Step 1: Write the proportion equation
867,704.40 : 1,197,397.08 = 505,138.68 : x - Step 2: Convert to fraction form
867,704.40/1,197,397.08 = 505,138.68/x - Step 3: Cross multiply
867,704.40x = 1,197,397.08 × 505,138.68 - Step 4: Simplify right side
867,704.40x = 604,851,580,427.06 - Step 5: Solve for x
x = 604,851,580,427.06/867,704.40 - Step 6: Final answer
x = 697,071.01
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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.