Finding the Fourth Proportional to 753,346.84, 1,039,626.26 and 409,189.48
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Solution
The fourth proportional to 753,346.84, 1,039,626.26 and 409,189.48 is: 564,685.62
Step by Step Solution
- Step 1: Write the proportion equation
753,346.84 : 1,039,626.26 = 409,189.48 : x - Step 2: Convert to fraction form
753,346.84/1,039,626.26 = 409,189.48/x - Step 3: Cross multiply
753,346.84x = 1,039,626.26 × 409,189.48 - Step 4: Simplify right side
753,346.84x = 425,404,128,723.75 - Step 5: Solve for x
x = 425,404,128,723.75/753,346.84 - Step 6: Final answer
x = 564,685.62
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.