Finding the Fourth Proportional to 403,724.70, 605,587.05 and 377,286.30
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Solution
The fourth proportional to 403,724.70, 605,587.05 and 377,286.30 is: 565,929.45
Step by Step Solution
- Step 1: Write the proportion equation
403,724.70 : 605,587.05 = 377,286.30 : x - Step 2: Convert to fraction form
403,724.70/605,587.05 = 377,286.30/x - Step 3: Cross multiply
403,724.70x = 605,587.05 × 377,286.30 - Step 4: Simplify right side
403,724.70x = 228,479,697,422.42 - Step 5: Solve for x
x = 228,479,697,422.42/403,724.70 - Step 6: Final answer
x = 565,929.45
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1.5x scale
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.