Finding the Fourth Proportional to 893,575.70, 1,340,363.55 and 395,911.70
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Solution
The fourth proportional to 893,575.70, 1,340,363.55 and 395,911.70 is: 593,867.55
Step by Step Solution
- Step 1: Write the proportion equation
893,575.70 : 1,340,363.55 = 395,911.70 : x - Step 2: Convert to fraction form
893,575.70/1,340,363.55 = 395,911.70/x - Step 3: Cross multiply
893,575.70x = 1,340,363.55 × 395,911.70 - Step 4: Simplify right side
893,575.70x = 530,665,611,698.54 - Step 5: Solve for x
x = 530,665,611,698.54/893,575.70 - Step 6: Final answer
x = 593,867.55
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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.