Finding the Fourth Proportional to 683,466.68, 943,164.74 and 377,537.32
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Solution
The fourth proportional to 683,466.68, 943,164.74 and 377,537.32 is: 520,990.85
Step by Step Solution
- Step 1: Write the proportion equation
683,466.68 : 943,164.74 = 377,537.32 : x - Step 2: Convert to fraction form
683,466.68/943,164.74 = 377,537.32/x - Step 3: Cross multiply
683,466.68x = 943,164.74 × 377,537.32 - Step 4: Simplify right side
683,466.68x = 356,079,888,258.10 - Step 5: Solve for x
x = 356,079,888,258.10/683,466.68 - Step 6: Final answer
x = 520,990.85
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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.