Finding the Fourth Proportional to 752,824.70, 1,129,237.05 and 717,832.70
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Solution
The fourth proportional to 752,824.70, 1,129,237.05 and 717,832.70 is: 1,076,749.05
Step by Step Solution
- Step 1: Write the proportion equation
752,824.70 : 1,129,237.05 = 717,832.70 : x - Step 2: Convert to fraction form
752,824.70/1,129,237.05 = 717,832.70/x - Step 3: Cross multiply
752,824.70x = 1,129,237.05 × 717,832.70 - Step 4: Simplify right side
752,824.70x = 810,603,280,541.54 - Step 5: Solve for x
x = 810,603,280,541.54/752,824.70 - Step 6: Final answer
x = 1,076,749.05
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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.