Finding the Fourth Proportional to 671,928.84, 927,261.87 and 370,122.84
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Solution
The fourth proportional to 671,928.84, 927,261.87 and 370,122.84 is: 510,769.56
Step by Step Solution
- Step 1: Write the proportion equation
671,928.84 : 927,261.87 = 370,122.84 : x - Step 2: Convert to fraction form
671,928.84/927,261.87 = 370,122.84/x - Step 3: Cross multiply
671,928.84x = 927,261.87 × 370,122.84 - Step 4: Simplify right side
671,928.84x = 343,200,796,748.11 - Step 5: Solve for x
x = 343,200,796,748.11/671,928.84 - Step 6: Final answer
x = 510,769.56
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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.