Finding the Fourth Proportional to 751,089.12, 1,036,516.14 and 411,537.12
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Solution
The fourth proportional to 751,089.12, 1,036,516.14 and 411,537.12 is: 567,928.43
Step by Step Solution
- Step 1: Write the proportion equation
751,089.12 : 1,036,516.14 = 411,537.12 : x - Step 2: Convert to fraction form
751,089.12/1,036,516.14 = 411,537.12/x - Step 3: Cross multiply
751,089.12x = 1,036,516.14 × 411,537.12 - Step 4: Simplify right side
751,089.12x = 426,564,867,089.12 - Step 5: Solve for x
x = 426,564,867,089.12/751,089.12 - Step 6: Final answer
x = 567,928.43
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1.5x scale
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.