Finding the Fourth Proportional to 857,747.84, 1,184,488.80 and 552,354.24
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Solution
The fourth proportional to 857,747.84, 1,184,488.80 and 552,354.24 is: 762,761.95
Step by Step Solution
- Step 1: Write the proportion equation
857,747.84 : 1,184,488.80 = 552,354.24 : x - Step 2: Convert to fraction form
857,747.84/1,184,488.80 = 552,354.24/x - Step 3: Cross multiply
857,747.84x = 1,184,488.80 × 552,354.24 - Step 4: Simplify right side
857,747.84x = 654,257,410,912.51 - Step 5: Solve for x
x = 654,257,410,912.51/857,747.84 - Step 6: Final answer
x = 762,761.95
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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.