Finding the Fourth Proportional to 572,006.44, 789,368.98 and 317,357.02
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Solution
The fourth proportional to 572,006.44, 789,368.98 and 317,357.02 is: 437,952.74
Step by Step Solution
- Step 1: Write the proportion equation
572,006.44 : 789,368.98 = 317,357.02 : x - Step 2: Convert to fraction form
572,006.44/789,368.98 = 317,357.02/x - Step 3: Cross multiply
572,006.44x = 789,368.98 × 317,357.02 - Step 4: Simplify right side
572,006.44x = 250,511,783,226.40 - Step 5: Solve for x
x = 250,511,783,226.40/572,006.44 - Step 6: Final answer
x = 437,952.74
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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.