Finding the Fourth Proportional to 857,482.74, 1,285,923.60 and 351,897.75
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Solution
The fourth proportional to 857,482.74, 1,285,923.60 and 351,897.75 is: 527,723.30
Step by Step Solution
- Step 1: Write the proportion equation
857,482.74 : 1,285,923.60 = 351,897.75 : x - Step 2: Convert to fraction form
857,482.74/1,285,923.60 = 351,897.75/x - Step 3: Cross multiply
857,482.74x = 1,285,923.60 × 351,897.75 - Step 4: Simplify right side
857,482.74x = 452,513,621,511.90 - Step 5: Solve for x
x = 452,513,621,511.90/857,482.74 - Step 6: Final answer
x = 527,723.30
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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.