Finding the Fourth Proportional to 572,269.84, 789,769.26 and 317,621.08
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Solution
The fourth proportional to 572,269.84, 789,769.26 and 317,621.08 is: 438,337.56
Step by Step Solution
- Step 1: Write the proportion equation
572,269.84 : 789,769.26 = 317,621.08 : x - Step 2: Convert to fraction form
572,269.84/789,769.26 = 317,621.08/x - Step 3: Cross multiply
572,269.84x = 789,769.26 × 317,621.08 - Step 4: Simplify right side
572,269.84x = 250,847,365,312.00 - Step 5: Solve for x
x = 250,847,365,312.00/572,269.84 - Step 6: Final answer
x = 438,337.56
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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.