Finding the Fourth Proportional to 677,419.14, 934,839.71 and 371,497.68
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Solution
The fourth proportional to 677,419.14, 934,839.71 and 371,497.68 is: 512,667.51
Step by Step Solution
- Step 1: Write the proportion equation
677,419.14 : 934,839.71 = 371,497.68 : x - Step 2: Convert to fraction form
677,419.14/934,839.71 = 371,497.68/x - Step 3: Cross multiply
677,419.14x = 934,839.71 × 371,497.68 - Step 4: Simplify right side
677,419.14x = 347,290,783,436.87 - Step 5: Solve for x
x = 347,290,783,436.87/677,419.14 - Step 6: Final answer
x = 512,667.51
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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.