Finding the Fourth Proportional to 930,182.76, 1,283,665.67 and 522,372.87
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Solution
The fourth proportional to 930,182.76, 1,283,665.67 and 522,372.87 is: 720,882.12
Step by Step Solution
- Step 1: Write the proportion equation
930,182.76 : 1,283,665.67 = 522,372.87 : x - Step 2: Convert to fraction form
930,182.76/1,283,665.67 = 522,372.87/x - Step 3: Cross multiply
930,182.76x = 1,283,665.67 × 522,372.87 - Step 4: Simplify right side
930,182.76x = 670,552,120,158.37 - Step 5: Solve for x
x = 670,552,120,158.37/930,182.76 - Step 6: Final answer
x = 720,882.12
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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.