Finding the Fourth Proportional to 789,425.34, 1,184,312.97 and 368,471.58
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Solution
The fourth proportional to 789,425.34, 1,184,312.97 and 368,471.58 is: 552,789.03
Step by Step Solution
- Step 1: Write the proportion equation
789,425.34 : 1,184,312.97 = 368,471.58 : x - Step 2: Convert to fraction form
789,425.34/1,184,312.97 = 368,471.58/x - Step 3: Cross multiply
789,425.34x = 1,184,312.97 × 368,471.58 - Step 4: Simplify right side
789,425.34x = 436,385,671,270.39 - Step 5: Solve for x
x = 436,385,671,270.39/789,425.34 - Step 6: Final answer
x = 552,789.03
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.