Finding the Fourth Proportional to 863,750.93, 1,294,408.52 and 407,855.75
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Solution
The fourth proportional to 863,750.93, 1,294,408.52 and 407,855.75 is: 611,208.54
Step by Step Solution
- Step 1: Write the proportion equation
863,750.93 : 1,294,408.52 = 407,855.75 : x - Step 2: Convert to fraction form
863,750.93/1,294,408.52 = 407,855.75/x - Step 3: Cross multiply
863,750.93x = 1,294,408.52 × 407,855.75 - Step 4: Simplify right side
863,750.93x = 527,931,949,219.67 - Step 5: Solve for x
x = 527,931,949,219.67/863,750.93 - Step 6: Final answer
x = 611,208.54
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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.