Finding the Fourth Proportional to 403,727.40, 605,591.10 and 297,973.80
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Solution
The fourth proportional to 403,727.40, 605,591.10 and 297,973.80 is: 446,960.70
Step by Step Solution
- Step 1: Write the proportion equation
403,727.40 : 605,591.10 = 297,973.80 : x - Step 2: Convert to fraction form
403,727.40/605,591.10 = 297,973.80/x - Step 3: Cross multiply
403,727.40x = 605,591.10 × 297,973.80 - Step 4: Simplify right side
403,727.40x = 180,450,281,313.18 - Step 5: Solve for x
x = 180,450,281,313.18/403,727.40 - Step 6: Final answer
x = 446,960.70
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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.