Finding the Fourth Proportional to 509,159.25, 764,406.32 and 341,430.12
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Solution
The fourth proportional to 509,159.25, 764,406.32 and 341,430.12 is: 512,592.75
Step by Step Solution
- Step 1: Write the proportion equation
509,159.25 : 764,406.32 = 341,430.12 : x - Step 2: Convert to fraction form
509,159.25/764,406.32 = 341,430.12/x - Step 3: Cross multiply
509,159.25x = 764,406.32 × 341,430.12 - Step 4: Simplify right side
509,159.25x = 260,991,339,859.21 - Step 5: Solve for x
x = 260,991,339,859.21/509,159.25 - Step 6: Final answer
x = 512,592.75
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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.