Finding the Fourth Proportional to 766,130.70, 1,147,446.45 and 451,202.70
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Solution
The fourth proportional to 766,130.70, 1,147,446.45 and 451,202.70 is: 675,773.65
Step by Step Solution
- Step 1: Write the proportion equation
766,130.70 : 1,147,446.45 = 451,202.70 : x - Step 2: Convert to fraction form
766,130.70/1,147,446.45 = 451,202.70/x - Step 3: Cross multiply
766,130.70x = 1,147,446.45 × 451,202.70 - Step 4: Simplify right side
766,130.70x = 517,730,936,345.42 - Step 5: Solve for x
x = 517,730,936,345.42/766,130.70 - Step 6: Final answer
x = 675,773.65
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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.