Finding the Fourth Proportional to 778,096.99, 1,074,659.58 and 523,005.31
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Solution
The fourth proportional to 778,096.99, 1,074,659.58 and 523,005.31 is: 722,342.68
Step by Step Solution
- Step 1: Write the proportion equation
778,096.99 : 1,074,659.58 = 523,005.31 : x - Step 2: Convert to fraction form
778,096.99/1,074,659.58 = 523,005.31/x - Step 3: Cross multiply
778,096.99x = 1,074,659.58 × 523,005.31 - Step 4: Simplify right side
778,096.99x = 562,052,658,794.05 - Step 5: Solve for x
x = 562,052,658,794.05/778,096.99 - Step 6: Final answer
x = 722,342.68
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.