Finding the Fourth Proportional to 465,754.79, 698,454.87 and 305,787.94
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Solution
The fourth proportional to 465,754.79, 698,454.87 and 305,787.94 is: 458,565.49
Step by Step Solution
- Step 1: Write the proportion equation
465,754.79 : 698,454.87 = 305,787.94 : x - Step 2: Convert to fraction form
465,754.79/698,454.87 = 305,787.94/x - Step 3: Cross multiply
465,754.79x = 698,454.87 × 305,787.94 - Step 4: Simplify right side
465,754.79x = 213,579,072,387.99 - Step 5: Solve for x
x = 213,579,072,387.99/465,754.79 - Step 6: Final answer
x = 458,565.49
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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.