Finding the Fourth Proportional to 624,486.70, 936,511.35 and 324,867.70
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Solution
The fourth proportional to 624,486.70, 936,511.35 and 324,867.70 is: 487,187.78
Step by Step Solution
- Step 1: Write the proportion equation
624,486.70 : 936,511.35 = 324,867.70 : x - Step 2: Convert to fraction form
624,486.70/936,511.35 = 324,867.70/x - Step 3: Cross multiply
624,486.70x = 936,511.35 × 324,867.70 - Step 4: Simplify right side
624,486.70x = 304,242,288,298.40 - Step 5: Solve for x
x = 304,242,288,298.40/624,486.70 - Step 6: Final answer
x = 487,187.78
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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.