Finding the Fourth Proportional to 571,980.84, 789,427.98 and 317,414.04
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Solution
The fourth proportional to 571,980.84, 789,427.98 and 317,414.04 is: 438,083.77
Step by Step Solution
- Step 1: Write the proportion equation
571,980.84 : 789,427.98 = 317,414.04 : x - Step 2: Convert to fraction form
571,980.84/789,427.98 = 317,414.04/x - Step 3: Cross multiply
571,980.84x = 789,427.98 × 317,414.04 - Step 4: Simplify right side
571,980.84x = 250,575,524,420.84 - Step 5: Solve for x
x = 250,575,524,420.84/571,980.84 - Step 6: Final answer
x = 438,083.77
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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.