Finding the Fourth Proportional to 529,243.70, 793,865.55 and 520,027.70
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Solution
The fourth proportional to 529,243.70, 793,865.55 and 520,027.70 is: 780,041.55
Step by Step Solution
- Step 1: Write the proportion equation
529,243.70 : 793,865.55 = 520,027.70 : x - Step 2: Convert to fraction form
529,243.70/793,865.55 = 520,027.70/x - Step 3: Cross multiply
529,243.70x = 793,865.55 × 520,027.70 - Step 4: Simplify right side
529,243.70x = 412,832,076,075.74 - Step 5: Solve for x
x = 412,832,076,075.74/529,243.70 - Step 6: Final answer
x = 780,041.55
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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.