Finding the Fourth Proportional to 572,315.98, 789,635.64 and 357,674.08
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Solution
The fourth proportional to 572,315.98, 789,635.64 and 357,674.08 is: 493,489.98
Step by Step Solution
- Step 1: Write the proportion equation
572,315.98 : 789,635.64 = 357,674.08 : x - Step 2: Convert to fraction form
572,315.98/789,635.64 = 357,674.08/x - Step 3: Cross multiply
572,315.98x = 789,635.64 × 357,674.08 - Step 4: Simplify right side
572,315.98x = 282,432,201,072.21 - Step 5: Solve for x
x = 282,432,201,072.21/572,315.98 - Step 6: Final answer
x = 493,489.98
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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.