Finding the Fourth Proportional to 740,108.52, 1,021,368.42 and 453,786.48
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Solution
The fourth proportional to 740,108.52, 1,021,368.42 and 453,786.48 is: 626,236.78
Step by Step Solution
- Step 1: Write the proportion equation
740,108.52 : 1,021,368.42 = 453,786.48 : x - Step 2: Convert to fraction form
740,108.52/1,021,368.42 = 453,786.48/x - Step 3: Cross multiply
740,108.52x = 1,021,368.42 × 453,786.48 - Step 4: Simplify right side
740,108.52x = 463,483,180,094.96 - Step 5: Solve for x
x = 463,483,180,094.96/740,108.52 - Step 6: Final answer
x = 626,236.78
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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.