Finding the Fourth Proportional to 930,082.10, 1,283,413.86 and 522,228.75
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Solution
The fourth proportional to 930,082.10, 1,283,413.86 and 522,228.75 is: 720,619.85
Step by Step Solution
- Step 1: Write the proportion equation
930,082.10 : 1,283,413.86 = 522,228.75 : x - Step 2: Convert to fraction form
930,082.10/1,283,413.86 = 522,228.75/x - Step 3: Cross multiply
930,082.10x = 1,283,413.86 × 522,228.75 - Step 4: Simplify right side
930,082.10x = 670,235,615,840.48 - Step 5: Solve for x
x = 670,235,615,840.48/930,082.10 - Step 6: Final answer
x = 720,619.85
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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.