Finding the Fourth Proportional to 792,768.60, 1,188,707.13 and 260,244.99
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Solution
The fourth proportional to 792,768.60, 1,188,707.13 and 260,244.99 is: 390,221.15
Step by Step Solution
- Step 1: Write the proportion equation
792,768.60 : 1,188,707.13 = 260,244.99 : x - Step 2: Convert to fraction form
792,768.60/1,188,707.13 = 260,244.99/x - Step 3: Cross multiply
792,768.60x = 1,188,707.13 × 260,244.99 - Step 4: Simplify right side
792,768.60x = 309,355,075,159.78 - Step 5: Solve for x
x = 309,355,075,159.78/792,768.60 - Step 6: Final answer
x = 390,221.15
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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.