Finding the Fourth Proportional to 608,748.40, 913,122.60 and 591,252.40
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Solution
The fourth proportional to 608,748.40, 913,122.60 and 591,252.40 is: 886,878.60
Step by Step Solution
- Step 1: Write the proportion equation
608,748.40 : 913,122.60 = 591,252.40 : x - Step 2: Convert to fraction form
608,748.40/913,122.60 = 591,252.40/x - Step 3: Cross multiply
608,748.40x = 913,122.60 × 591,252.40 - Step 4: Simplify right side
608,748.40x = 539,885,928,744.24 - Step 5: Solve for x
x = 539,885,928,744.24/608,748.40 - Step 6: Final answer
x = 886,878.60
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.