Finding the Fourth Proportional to 955,618.76, 1,318,603.35 and 547,642.11
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Solution
The fourth proportional to 955,618.76, 1,318,603.35 and 547,642.11 is: 755,659.85
Step by Step Solution
- Step 1: Write the proportion equation
955,618.76 : 1,318,603.35 = 547,642.11 : x - Step 2: Convert to fraction form
955,618.76/1,318,603.35 = 547,642.11/x - Step 3: Cross multiply
955,618.76x = 1,318,603.35 × 547,642.11 - Step 4: Simplify right side
955,618.76x = 722,122,727,845.49 - Step 5: Solve for x
x = 722,122,727,845.49/955,618.76 - Step 6: Final answer
x = 755,659.85
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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.