Finding the Fourth Proportional to 792,762.84, 1,188,698.58 and 260,239.32
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Solution
The fourth proportional to 792,762.84, 1,188,698.58 and 260,239.32 is: 390,212.68
Step by Step Solution
- Step 1: Write the proportion equation
792,762.84 : 1,188,698.58 = 260,239.32 : x - Step 2: Convert to fraction form
792,762.84/1,188,698.58 = 260,239.32/x - Step 3: Cross multiply
792,762.84x = 1,188,698.58 × 260,239.32 - Step 4: Simplify right side
792,762.84x = 309,346,110,144.17 - Step 5: Solve for x
x = 309,346,110,144.17/792,762.84 - Step 6: Final answer
x = 390,212.68
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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.