Finding the Fourth Proportional to 753,450.99, 1,039,773.42 and 409,293.39
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Solution
The fourth proportional to 753,450.99, 1,039,773.42 and 409,293.39 is: 564,830.88
Step by Step Solution
- Step 1: Write the proportion equation
753,450.99 : 1,039,773.42 = 409,293.39 : x - Step 2: Convert to fraction form
753,450.99/1,039,773.42 = 409,293.39/x - Step 3: Cross multiply
753,450.99x = 1,039,773.42 × 409,293.39 - Step 4: Simplify right side
753,450.99x = 425,572,387,903.69 - Step 5: Solve for x
x = 425,572,387,903.69/753,450.99 - Step 6: Final answer
x = 564,830.88
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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.