Finding the Fourth Proportional to 752,775.24, 1,129,164.44 and 529,136.36
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Solution
The fourth proportional to 752,775.24, 1,129,164.44 and 529,136.36 is: 793,705.65
Step by Step Solution
- Step 1: Write the proportion equation
752,775.24 : 1,129,164.44 = 529,136.36 : x - Step 2: Convert to fraction form
752,775.24/1,129,164.44 = 529,136.36/x - Step 3: Cross multiply
752,775.24x = 1,129,164.44 × 529,136.36 - Step 4: Simplify right side
752,775.24x = 597,481,961,623.04 - Step 5: Solve for x
x = 597,481,961,623.04/752,775.24 - Step 6: Final answer
x = 793,705.65
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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.