Finding the Fourth Proportional to 723,779.70, 1,085,144.67 and 486,533.94
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Solution
The fourth proportional to 723,779.70, 1,085,144.67 and 486,533.94 is: 729,448.08
Step by Step Solution
- Step 1: Write the proportion equation
723,779.70 : 1,085,144.67 = 486,533.94 : x - Step 2: Convert to fraction form
723,779.70/1,085,144.67 = 486,533.94/x - Step 3: Cross multiply
723,779.70x = 1,085,144.67 × 486,533.94 - Step 4: Simplify right side
723,779.70x = 527,959,711,765.10 - Step 5: Solve for x
x = 527,959,711,765.10/723,779.70 - Step 6: Final answer
x = 729,448.08
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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.